{"id":115944,"date":"2025-06-23T22:33:34","date_gmt":"2025-06-23T15:33:34","guid":{"rendered":"https:\/\/tino.vn\/blog\/?p=115944"},"modified":"2025-06-23T16:33:48","modified_gmt":"2025-06-23T09:33:48","slug":"cach-chan-wordpress-sql-injection","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/cach-chan-wordpress-sql-injection\/","title":{"rendered":"9 c\u00e1ch ch\u1eb7n WordPress SQL Injection \u0111\u01a1n gi\u1ea3n, ai c\u0169ng l\u00e0m \u0111\u01b0\u1ee3c"},"content":{"rendered":"\n<p><strong>\u0110\u01b0\u1ee3c xem l\u00e0 CMS ph\u1ed5 bi\u1ebfn nh\u1ea5t th\u1ebf gi\u1edbi, <a href=\"https:\/\/tino.vn\/blog\/wordpress-la-gi\/\" target=\"_blank\" data-type=\"post\" data-id=\"15589\" rel=\"noreferrer noopener\">WordPress<\/a> th\u01b0\u1eddng tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau t\u1ea5n c\u00f4ng c\u1ee7a nhi\u1ec1u hacker. M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng th\u1ee9c t\u1ea5n c\u00f4ng nguy hi\u1ec3m nh\u1ea5t l\u00e0 SQL Injection \u2013 k\u1ef9 thu\u1eadt khai th\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u, cho ph\u00e9p k\u1ebb x\u1ea5u \u0111\u00e1nh c\u1eafp ho\u1eb7c thao t\u00fang d\u1eef li\u1ec7u website. V\u1eady l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea3o v\u1ec7 website WordPress kh\u1ecfi SQL Injection? C\u00f9ng Tino t\u00ecm hi\u1ec3u c\u00e1c c\u00e1ch ch\u1eb7n WordPress SQL Injection hi\u1ec7u qu\u1ea3 trong b\u00e0i vi\u1ebft n\u00e0y nh\u00e9!<\/strong><\/p>\n\n\n\n<h2 id=\"T\u1ed5ng_quan_v\u1ec1_WordPress_SQL_Injection\"><a id=\"post-115944-_xxflwqx3te6z\"><\/a>T\u1ed5ng quan v\u1ec1 WordPress SQL Injection<\/h2>\n\n\n\n<h3 id=\"SQL_Injection_l\u00e0_g\u00ec?\"><a id=\"post-115944-_p2is5pw0g44u\"><\/a><strong>SQL Injection l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<p>SQL Injection l\u00e0 m\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt nghi\u00eam tr\u1ecdng x\u1ea3y ra khi k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 ch\u00e8n ho\u1eb7c thao t\u00e1c c\u00e1c c\u00e2u l\u1ec7nh SQL trong \u1ee9ng d\u1ee5ng b\u1eb1ng c\u00e1ch nh\u1eadp d\u1eef li\u1ec7u kh\u00f4ng h\u1ee3p l\u1ec7 th\u00f4ng qua c\u00e1c \u0111i\u1ec3m nh\u1eadp (input fields) nh\u01b0 form \u0111\u0103ng nh\u1eadp, <a href=\"https:\/\/tino.vn\/blog\/url-la-gi\/\" target=\"_blank\" data-type=\"post\" data-id=\"16016\" rel=\"noreferrer noopener\">URL<\/a> ho\u1eb7c c\u00e1c tham s\u1ed1 kh\u00e1c.<\/p>\n\n\n\n<p>L\u1ed7 h\u1ed5ng n\u00e0y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n khi \u1ee9ng d\u1ee5ng web s\u1eed d\u1ee5ng d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e2u truy v\u1ea5n SQL m\u00e0 kh\u00f4ng th\u1ef1c hi\u1ec7n ki\u1ec3m tra ho\u1eb7c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch. Khi khai th\u00e1c th\u00e0nh c\u00f4ng, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 th\u1ef1c thi c\u00e1c l\u1ec7nh t\u00f9y \u00fd tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u, d\u1eabn \u0111\u1ebfn vi\u1ec7c \u0111\u00e1nh c\u1eafp, s\u1eeda \u0111\u1ed5i, x\u00f3a d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m ho\u1eb7c th\u1eadm ch\u00ed gi\u00e0nh quy\u1ec1n ki\u1ec3m so\u00e1t to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-1.png\" alt=\"SQL Injection l\u00e0 g\u00ec?\" class=\"wp-image-115962\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-1.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-1-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>SQL Injection l\u00e0 g\u00ec?<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>SQL Injection \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda l\u1edbn nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng web, v\u00ec n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00f2ng ng\u1eeba v\u00e0 x\u1eed l\u00fd \u0111\u00fang m\u1ee9c. Theo B\u00e1o <a href=\"https:\/\/ithemes.com\/annual-wordpress-vulnerability-report\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">c\u00e1o v\u1ec1 l\u1ed7 h\u1ed5ng WordPress<\/a> c\u1ee7a iThemes, c\u00e1c cu\u1ed9c t\u1ea5n SQL Injection chi\u1ebfm 9,3% trong t\u1ed5ng s\u1ed1 c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt v\u00e0o n\u0103m 2021.<\/p>\n\n\n\n<h3 id=\"T\u1ea1i_sao_WordPress_d\u1ec5_b\u1ecb_SQL_Injection?\"><a id=\"post-115944-_tnr1tyb18zqh\"><\/a><strong>T\u1ea1i sao WordPress d\u1ec5 b\u1ecb SQL Injection?<\/strong><\/h3>\n\n\n\n<h4 id=\"S\u1eed_d\u1ee5ng_nhi\u1ec1u_plugin_v\u00e0_theme_t\u1eeb_b\u00ean_th\u1ee9_ba\"><a id=\"post-115944-_n8reutag15op\"><\/a>S\u1eed d\u1ee5ng nhi\u1ec1u plugin v\u00e0 theme t\u1eeb b\u00ean th\u1ee9 ba<\/h4>\n\n\n\n<p>WordPress c\u00f3 m\u1ed9t h\u1ec7 sinh th\u00e1i plugin v\u00e0 theme phong ph\u00fa, nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u1edbi ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt cao. Nhi\u1ec1u plugin ho\u1eb7c theme ch\u1ee9a l\u1ed7 h\u1ed5ng SQL Injection do kh\u00f4ng ki\u1ec3m tra \u0111\u1ea7u v\u00e0o d\u1eef li\u1ec7u \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<h4 id=\"Ch\u01b0a_th\u1ef1c_hi\u1ec7n_c\u00e1c_bi\u1ec7n_ph\u00e1p_l\u1ecdc_d\u1eef_li\u1ec7u_\u0111\u1ea7u_v\u00e0o\"><a id=\"post-115944-_5ztv3rgtvcl0\"><\/a>Ch\u01b0a th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p l\u1ecdc d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o<\/h4>\n\n\n\n<p>Trong qu\u00e1 kh\u1ee9, m\u1ed9t s\u1ed1 phi\u00ean b\u1ea3n WordPress ho\u1eb7c c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng kh\u00f4ng ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng c\u00e1c d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o t\u1eeb ng\u01b0\u1eddi d\u00f9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00f4ng tin \u0111\u0103ng nh\u1eadp, URL, ho\u1eb7c tham s\u1ed1 GET\/POST. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u01a1 h\u1ed9i cho k\u1ebb t\u1ea5n c\u00f4ng ti\u00eam m\u00e3 SQL \u0111\u1ed9c h\u1ea1i v\u00e0o truy v\u1ea5n.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-2.png\" alt=\"T\u1ea1i sao WordPress d\u1ec5 b\u1ecb SQL Injection?\" class=\"wp-image-115963\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-2.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-2-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>T\u1ea1i sao WordPress d\u1ec5 b\u1ecb SQL Injection?<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<h4 id=\"C\u1ea5u_tr\u00fac_c\u01a1_s\u1edf_d\u1eef_li\u1ec7u_m\u1edf\"><a id=\"post-115944-_a1bvz3vokqr0\"><\/a>C\u1ea5u tr\u00fac c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1edf<\/h4>\n\n\n\n<p>WordPress c\u00f3 m\u1ed9t c\u1ea5u tr\u00fac c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1eb7c \u0111\u1ecbnh v\u1edbi c\u00e1c b\u1ea3ng nh\u01b0 wp_users, wp_posts, wp_comments&#8230; N\u1ebfu hacker bi\u1ebft \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac n\u00e0y, h\u1ecd c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n t\u1ea5n c\u00f4ng SQL Injection n\u1ebfu website c\u00f3 l\u1ed7 h\u1ed5ng.<\/p>\n\n\n\n<h4 id=\"L\u1ed7_h\u1ed5ng_trong_phi\u00ean_b\u1ea3n_WordPress_c\u0169\"><a id=\"post-115944-_3d5vp0rw0zjk\"><\/a>L\u1ed7 h\u1ed5ng trong phi\u00ean b\u1ea3n WordPress c\u0169<\/h4>\n\n\n\n<p>WordPress th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt \u0111\u1ec3 v\u00e1 l\u1ed7i b\u1ea3o m\u1eadt, nh\u01b0ng n\u1ebfu ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng c\u1eadp nh\u1eadt k\u1ecbp th\u1eddi, website c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau t\u1ea5n c\u00f4ng c\u1ee7a hacker khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng SQL Injection \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n<h4 id=\"Thi\u1ebfu_c\u00e1c_bi\u1ec7n_ph\u00e1p_b\u1ea3o_m\u1eadt_c\u01a1_b\u1ea3n\"><a id=\"post-115944-_44vqg3bxk4am\"><\/a>Thi\u1ebfu c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n<\/h4>\n\n\n\n<p>Nhi\u1ec1u website WordPress kh\u00f4ng s\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF) ho\u1eb7c c\u00e1c plugin b\u1ea3o m\u1eadt nh\u01b0 Wordfence, Sucuri, khi\u1ebfn hacker d\u1ec5 d\u00e0ng g\u1eedi truy v\u1ea5n SQL \u0111\u1ed9c h\u1ea1i m\u00e0 kh\u00f4ng b\u1ecb ch\u1eb7n l\u1ecdc.<\/p>\n\n\n\n<h4 id=\"Quy\u1ec1n_truy_c\u1eadp_database_kh\u00f4ng_\u0111\u01b0\u1ee3c_ki\u1ec3m_so\u00e1t_ch\u1eb7t_ch\u1ebd\"><a id=\"post-115944-_yh35rt9xwi8d\"><\/a>Quy\u1ec1n truy c\u1eadp database kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd<\/h4>\n\n\n\n<p>N\u1ebfu t\u00e0i kho\u1ea3n k\u1ebft n\u1ed1i database c\u1ee7a WordPress c\u00f3 quy\u1ec1n cao h\u01a1n m\u1ee9c c\u1ea7n thi\u1ebft (v\u00ed d\u1ee5: quy\u1ec1n ALL PRIVILEGES thay v\u00ec ch\u1ec9 SELECT, INSERT, UPDATE, DELETE), hacker c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng SQL Injection \u0111\u1ec3 \u0111\u00e1nh c\u1eafp ho\u1eb7c ch\u1ec9nh s\u1eeda to\u00e0n b\u1ed9 d\u1eef li\u1ec7u website.<\/p>\n\n\n\n<h2 id=\"H\u1eadu_qu\u1ea3_c\u1ee7a_SQL_Injection_\u0111\u1ed1i_v\u1edbi_WordPress\"><a id=\"post-115944-_w9rnl53kw8av\"><\/a>H\u1eadu qu\u1ea3 c\u1ee7a SQL Injection \u0111\u1ed1i v\u1edbi WordPress<\/h2>\n\n\n\n<h3 id=\"\u0110\u00e1nh_c\u1eafp_d\u1eef_li\u1ec7u_quan_tr\u1ecdng\"><a id=\"post-115944-_wemk31bedow6\"><\/a><strong>\u0110\u00e1nh c\u1eafp d\u1eef li\u1ec7u quan tr\u1ecdng<\/strong><\/h3>\n\n\n\n<p>Khi hacker khai th\u00e1c l\u1ed7 h\u1ed5ng SQL Injection, ch\u00fang c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a WordPress v\u00e0 l\u1ea5y c\u1eafp nh\u1eefng th\u00f4ng tin quan tr\u1ecdng nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u00f4ng tin \u0111\u0103ng nh\u1eadp (username, m\u1eadt kh\u1ea9u c\u1ee7a admin, kh\u00e1ch h\u00e0ng).<\/li>\n\n\n\n<li>D\u1eef li\u1ec7u c\u00e1 nh\u00e2n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng nh\u01b0 email, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i.<\/li>\n\n\n\n<li>Th\u00f4ng tin thanh to\u00e1n n\u1ebfu website c\u00f3 t\u00edch h\u1ee3p c\u1ed5ng thanh to\u00e1n tr\u1ef1c tuy\u1ebfn.<\/li>\n<\/ul>\n\n\n\n<p>D\u1eef li\u1ec7u b\u1ecb \u0111\u00e1nh c\u1eafp c\u00f3 th\u1ec3 b\u1ecb b\u00e1n tr\u00ean th\u1ecb tr\u01b0\u1eddng ch\u1ee3 \u0111en ho\u1eb7c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng kh\u00e1c, g\u00e2y \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng v\u00e0 uy t\u00edn c\u1ee7a website.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-3.png\" alt=\"H\u1eadu qu\u1ea3 c\u1ee7a SQL Injection \u0111\u1ed1i v\u1edbi WordPress\" class=\"wp-image-115964\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-3.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-3-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>H\u1eadu qu\u1ea3 c\u1ee7a SQL Injection \u0111\u1ed1i v\u1edbi WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<h3 id=\"Ch\u00e8n_m\u00e3_\u0111\u1ed9c_v\u00e0o_website\"><a id=\"post-115944-_g9867ei5sm9r\"><\/a><strong>Ch\u00e8n m\u00e3 \u0111\u1ed9c v\u00e0o website<\/strong><\/h3>\n\n\n\n<p>K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng SQL Injection \u0111\u1ec3 ch\u00e8n c\u00e1c \u0111o\u1ea1n m\u00e3 \u0111\u1ed9c v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a WordPress. Nh\u1eefng \u0111o\u1ea1n m\u00e3 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chuy\u1ec3n h\u01b0\u1edbng ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn trang web \u0111\u1ed9c h\u1ea1i ho\u1eb7c l\u1eeba \u0111\u1ea3o.<\/li>\n\n\n\n<li>Hi\u1ec3n th\u1ecb qu\u1ea3ng c\u00e1o kh\u00f4ng mong mu\u1ed1n, l\u00e0m gi\u1ea3m tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/li>\n\n\n\n<li>T\u1ea1o c\u1eeda h\u1eadu (backdoor) gi\u00fap hacker ti\u1ebfp t\u1ee5c ki\u1ec3m so\u00e1t website ngay c\u1ea3 khi l\u1ed7i SQL Injection \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c.<\/li>\n<\/ul>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 g\u00e2y t\u1ed5n h\u1ea1i cho ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00f2n khi\u1ebfn website b\u1ecb Google \u0111\u01b0a v\u00e0o danh s\u00e1ch \u0111en, \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn SEO v\u00e0 danh ti\u1ebfng.<\/p>\n\n\n\n<h3 id=\"G\u00e2y_m\u1ea5t_quy\u1ec1n_ki\u1ec3m_so\u00e1t_website\"><a id=\"post-115944-_2n4s0f466myx\"><\/a><strong>G\u00e2y m\u1ea5t quy\u1ec1n ki\u1ec3m so\u00e1t website<\/strong><\/h3>\n\n\n\n<p>Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, hacker c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng SQL Injection \u0111\u1ec3 chi\u1ebfm to\u00e0n b\u1ed9 quy\u1ec1n ki\u1ec3m so\u00e1t website b\u1eb1ng c\u00e1ch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ea1o t\u00e0i kho\u1ea3n admin m\u1edbi trong WordPress.<\/li>\n\n\n\n<li>Thay \u0111\u1ed5i m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb vi\u00ean \u0111\u1ec3 ng\u0103n ch\u1eb7n ch\u1ee7 s\u1edf h\u1eefu truy c\u1eadp v\u00e0o website.<\/li>\n\n\n\n<li>X\u00f3a ho\u1eb7c ch\u1ec9nh s\u1eeda n\u1ed9i dung website, l\u00e0m m\u1ea5t d\u1eef li\u1ec7u quan tr\u1ecdng.<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu hacker ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n website, h\u1ecd c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 ph\u00e1t t\u00e1n m\u00e3 \u0111\u1ed9c, l\u1eeba \u0111\u1ea3o ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c th\u1eadm ch\u00ed y\u00eau c\u1ea7u ch\u1ee7 website tr\u1ea3 ti\u1ec1n chu\u1ed9c \u0111\u1ec3 l\u1ea5y l\u1ea1i quy\u1ec1n truy c\u1eadp.<\/p>\n\n\n\n<h2 id=\"T\u1ed5ng_h\u1ee3p_9_c\u00e1ch_ch\u1eb7n_WordPress_SQL_Injection_\u0111\u01a1n_gi\u1ea3n\"><a id=\"post-115944-_29ka4dm3brop\"><\/a>T\u1ed5ng h\u1ee3p 9 c\u00e1ch ch\u1eb7n WordPress SQL Injection \u0111\u01a1n gi\u1ea3n<\/h2>\n\n\n\n<h3 id=\"1._C\u00e0i_\u0111\u1eb7t_Firewall_(T\u01b0\u1eddng_L\u1eeda)\"><a id=\"post-115944-_tg64u48kqts8\"><\/a><strong>1. C\u00e0i \u0111\u1eb7t Firewall (T\u01b0\u1eddng L\u1eeda)<\/strong><\/h3>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 website kh\u1ecfi SQL Injection l\u00e0 s\u1eed d\u1ee5ng Web Application Firewall (WAF). T\u01b0\u1eddng l\u1eeda n\u00e0y gi\u00fap gi\u00e1m s\u00e1t v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng ng\u1edd tr\u00ean trang web c\u1ee7a b\u1ea1n, b\u1ea3o v\u1ec7 kh\u1ecfi SQL Injection c\u0169ng nh\u01b0 c\u00e1c m\u1ed1i \u0111e d\u1ecda kh\u00e1c nh\u01b0 Cross-Site Scripting (XSS) v\u00e0 Cross-Site Request Forgery (CSRF).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-4.png\" alt=\"C\u00e0i \u0111\u1eb7t Firewall (T\u01b0\u1eddng L\u1eeda)\" class=\"wp-image-115965\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-4.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-4-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>C\u00e0i \u0111\u1eb7t Firewall (T\u01b0\u1eddng L\u1eeda)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>G\u1ee3i \u00fd:<\/strong> Cloudflare l\u00e0 m\u1ed9t d\u1ecbch v\u1ee5 mi\u1ec5n ph\u00ed cung c\u1ea5p WAF m\u1ea1nh m\u1ebd gi\u00fap t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c bi\u1ebfn th\u1ec3 c\u1ee7a SQL Injection. N\u1ebfu b\u1ea1n ch\u01b0a s\u1eed d\u1ee5ng, h\u00e3y c\u00e2n nh\u1eafc t\u00edch h\u1ee3p ngay!<\/p>\n\n\n\n<h3 id=\"2._Thay_\u0111\u1ed5i_ti\u1ec1n_t\u1ed1_m\u1eb7c_\u0111\u1ecbnh_c\u1ee7a_c\u01a1_s\u1edf_d\u1eef_li\u1ec7u_WordPress\"><a id=\"post-115944-_wkaydk8ops8y\"><\/a><strong>2. Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress<\/strong><\/h3>\n\n\n\n<p>M\u1eb7c \u0111\u1ecbnh, WordPress s\u1eed d\u1ee5ng ti\u1ec1n t\u1ed1 c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 wp_, \u0111i\u1ec1u n\u00e0y khi\u1ebfn hacker d\u1ec5 d\u00e0ng \u0111o\u00e1n \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac b\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 n\u00e0y c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n gi\u1ea3m thi\u1ec3u nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng.<\/p>\n\n\n\n<p>C\u00e1ch thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 c\u01a1 s\u1edf d\u1eef li\u1ec7u trong WordPress:<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 1: <\/strong>Sao l\u01b0u to\u00e0n b\u1ed9 d\u1eef li\u1ec7u tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Truy c\u1eadp <strong>File Manager <\/strong>th\u00f4ng qua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a hosting (ch\u1eb3ng h\u1ea1n nh\u01b0 cPanel)<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-5.png\" alt=\"Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress\" class=\"wp-image-115966\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-5.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-5-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 3: <\/strong>M\u1edf file <strong>wp-config.php<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-6.png\" alt=\"Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress\" class=\"wp-image-115967\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-6.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-6-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>T\u00ecm d\u00f2ng <strong>$table_prefix = &#8216;wp_&#8217;<\/strong>; v\u00e0 thay \u0111\u1ed5i th\u00e0nh m\u1ed9t gi\u00e1 tr\u1ecb ng\u1eabu nhi\u00ean nh\u01b0 <strong>wp_secure123_<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-7.png\" alt=\"Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress\" class=\"wp-image-115968\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-7.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-7-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 4: <\/strong>Truy c\u1eadp phpMyAdmin, ch\u1ecdn SQL v\u00e0 nh\u1eadp l\u1ec7nh:<\/p>\n\n\n\n<p>RENAME table `wp_tablename` TO `wp_secure123_tablename`;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-8.png\" alt=\"Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress\" class=\"wp-image-115970\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-8.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-8-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Thay \u0111\u1ed5i ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>L\u01b0u \u00fd: <\/strong>C\u1ea7n thay th\u1ebf wp_tablename b\u1eb1ng t\u00ean b\u1ea3ng th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h3 id=\"3._Ki\u1ec3m_tra_&amp;_l\u1ecdc_d\u1eef_li\u1ec7u_ng\u01b0\u1eddi_d\u00f9ng_nh\u1eadp_v\u00e0o\"><a id=\"post-115944-_jn12j5epc5ug\"><\/a><strong>3. Ki\u1ec3m tra &amp; l\u1ecdc d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o<\/strong><\/h3>\n\n\n\n<p>Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3, hacker th\u01b0\u1eddng th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng SQL Injection (SQLi) b\u1eb1ng c\u00e1ch khai th\u00e1c d\u1eef li\u1ec7u do ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o. Do \u0111\u00f3, vi\u1ec7c b\u1ea3o m\u1eadt t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng nh\u1eadp tr\u00ean website c\u1ee7a b\u1ea1n, bao g\u1ed3m bi\u1ec3u m\u1eabu v\u00e0 ph\u1ea7n b\u00ecnh lu\u1eadn, l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 l\u1ecdc c\u00e1c l\u1ec7nh do ng\u01b0\u1eddi d\u00f9ng g\u1eedi b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng x\u00e1c th\u1ef1c v\u00e0 l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o. Vi\u1ec7c \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o kh\u00f4ng ch\u1ee9a chu\u1ed7i k\u00fd t\u1ef1 th\u1eeba ho\u1eb7c m\u00e3 \u0111\u1ed9c h\u1ea1i s\u1ebd gi\u00fap b\u1ea3o v\u1ec7 website c\u1ee7a b\u1ea1n kh\u1ecfi SQL Injection m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<p>Khi thi\u1ebft l\u1eadp x\u00e1c th\u1ef1c \u0111\u1ea7u v\u00e0o, b\u1ea1n s\u1ebd t\u1ea1o c\u00e1c quy t\u1eafc ki\u1ec3m tra d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o. N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u1ea1o bi\u1ec3u m\u1eabu nh\u01b0 <a href=\"https:\/\/formidableforms.com\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/formidableforms.com\/\" rel=\"noreferrer noopener nofollow\">Formidable Forms<\/a>, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o Input Mask Format. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u1edbi h\u1ea1n d\u1eef li\u1ec7u nh\u1eadp v\u00e0o ch\u1ec9 bao g\u1ed3m m\u1ed9t t\u1eadp h\u1ee3p k\u00fd t\u1ef1 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-9.png\" alt=\"Ki\u1ec3m tra &amp; l\u1ecdc d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o\" class=\"wp-image-115971\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-9.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-9-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Ki\u1ec3m tra &amp; l\u1ecdc d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c menu th\u1ea3 xu\u1ed1ng ho\u1eb7c t\u00f9y ch\u1ecdn l\u1ef1a ch\u1ecdn nhi\u1ec1u (multiple choice) thay v\u00ec \u00f4 nh\u1eadp v\u0103n b\u1ea3n. Vi\u1ec7c tr\u00e1nh s\u1eed d\u1ee5ng h\u1ed9p v\u0103n b\u1ea3n c\u00f3 th\u1ec3 gi\u00fap ng\u0103n hacker khai th\u00e1c d\u1eef li\u1ec7u t\u1eeb bi\u1ec3u m\u1eabu c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p>B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n x\u00e1c th\u1ef1c d\u1eef li\u1ec7u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c h\u00e0m l\u1eadp tr\u00ecnh. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n mu\u1ed1n gi\u1edbi h\u1ea1n d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o ch\u1ec9 cho ph\u00e9p m\u00e3 ZIP h\u1ee3p l\u1ec7 c\u1ee7a Hoa K\u1ef3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m sau:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/**\n\n* X\u00e1c th\u1ef1c m\u00e3 ZIP c\u1ee7a Hoa K\u1ef3.\n\n*\n\n* @param string $zip_code M\u00e3 ZIP c\u1ea7n ki\u1ec3m tra.\n\n*\n\n* @return bool Tr\u1ea3 v\u1ec1 true n\u1ebfu h\u1ee3p l\u1ec7, ng\u01b0\u1ee3c l\u1ea1i tr\u1ea3 v\u1ec1 false.\n\n*\/\n\nfunction wporg_is_valid_us_zip_code( $zip_code ) {\n\n\/\/ Tr\u01b0\u1eddng h\u1ee3p 1: Tr\u1ed1ng.\n\nif ( empty( $zip_code ) ) {\n\nreturn false;\n\n}\n\n\/\/ Tr\u01b0\u1eddng h\u1ee3p 2: D\u00e0i h\u01a1n 10 k\u00fd t\u1ef1.\n\nif ( 10 &lt; strlen( trim( $zip_code ) ) ) {\n\nreturn false;\n\n}\n\n\/\/ Tr\u01b0\u1eddng h\u1ee3p 3: \u0110\u1ecbnh d\u1ea1ng kh\u00f4ng ch\u00ednh x\u00e1c.\n\nif ( ! preg_match( '\/^\\d{5}(\\-?\\d{4})?$\/', $zip_code ) ) {\n\nreturn false;\n\n}\n\n\/\/ N\u1ebfu v\u01b0\u1ee3t qua t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n tr\u00ean, m\u00e3 ZIP h\u1ee3p l\u1ec7.\n\nreturn true;\n\n}<\/code><\/pre>\n\n\n\n<p>H\u00e0m n\u00e0y s\u1ebd ki\u1ec3m tra tr\u01b0\u1eddng wporg_zip_code cho m\u1ed7i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi, d\u1ef1a tr\u00ean c\u00e1c quy t\u1eafc x\u00e1c th\u1ef1c \u0111\u00e3 thi\u1ebft l\u1eadp tr\u01b0\u1edbc. N\u1ebfu m\u00e3 ZIP h\u1ee3p l\u1ec7, h\u1ec7 th\u1ed1ng s\u1ebd th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng ti\u1ebfp theo:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>if ( isset( $_POST&#91;'wporg_zip_code'] ) &amp;&amp; wporg_is_valid_us_zip_code( $_POST&#91;'wporg_zip_code'] ) ) {\n\n\/\/ H\u00e0nh \u0111\u1ed9ng c\u1ee7a b\u1ea1n\n\n}<\/code><\/pre>\n\n\n\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o kh\u00f4ng ch\u1ee9a k\u00fd t\u1ef1 kh\u00f4ng mong mu\u1ed1n ho\u1eb7c m\u00e3 \u0111\u1ed9c, b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch t\u1eebng gi\u00e1 tr\u1ecb nh\u1eadp v\u00e0o. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n mu\u1ed1n l\u00e0m s\u1ea1ch \u0111\u1ecba ch\u1ec9 email, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m sau:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>function sanitize_email( $email ) {\n\n\/\/ Ki\u1ec3m tra \u0111\u1ed9 d\u00e0i t\u1ed1i thi\u1ec3u c\u1ee7a email.\n\nif ( strlen( $email ) &lt; 6 ) {<\/code><\/pre>\n\n\n\n<h3 id=\"4._C\u1eadp_nh\u1eadt_WordPress,_plugin_&amp;_theme_th\u01b0\u1eddng_xuy\u00ean\"><a id=\"post-115944-_375vopmbi63r\"><\/a><strong>4. C\u1eadp nh\u1eadt WordPress, plugin &amp; theme th\u01b0\u1eddng xuy\u00ean<\/strong><\/h3>\n\n\n\n<p>S\u1eed d\u1ee5ng phi\u00ean b\u1ea3n c\u0169 c\u1ee7a WordPress ho\u1eb7c plugin c\u00f3 th\u1ec3 khi\u1ebfn trang web c\u1ee7a b\u1ea1n d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng. B\u1ea1n n\u00ean:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m tra v\u00e0 c\u1eadp nh\u1eadt WordPress th\u01b0\u1eddng xuy\u00ean t\u1ea1i tab <strong>C\u1eadp nh\u1eadt <\/strong>trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/li>\n\n\n\n<li>B\u1eadt c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng cho plugin &amp; theme \u0111\u1ec3 tr\u00e1nh b\u1ecb t\u1ea5n c\u00f4ng do l\u1ed7i b\u1ea3o m\u1eadt.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-10.png\" alt=\"C\u1eadp nh\u1eadt WordPress, plugin &amp; theme th\u01b0\u1eddng xuy\u00ean\" class=\"wp-image-115972\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-10.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-10-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>C\u1eadp nh\u1eadt WordPress, plugin &amp; theme th\u01b0\u1eddng xuy\u00ean<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>\u0110\u1ec3 t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt WordPress, th\u00eam d\u00f2ng sau v\u00e0o wp-config.php:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>define('WP_AUTO_UPDATE_CORE', true);<\/code><\/pre>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-11.png\" alt=\"C\u1eadp nh\u1eadt WordPress, plugin &amp; theme th\u01b0\u1eddng xuy\u00ean\" class=\"wp-image-115973\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-11.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-11-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>C\u1eadp nh\u1eadt WordPress, plugin &amp; theme th\u01b0\u1eddng xuy\u00ean<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<h3 id=\"5._C\u00e0i_\u0111\u1eb7t_plugin_b\u1ea3o_m\u1eadt_WordPress\"><a id=\"post-115944-_aej681eydye0\"><\/a><strong>5. C\u00e0i \u0111\u1eb7t plugin b\u1ea3o m\u1eadt WordPress<\/strong><\/h3>\n\n\n\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng mu\u1ed1n t\u1ef1 ch\u1ec9nh s\u1eeda m\u00e3 ngu\u1ed3n, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c plugin b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sucuri Security (Mi\u1ec5n ph\u00ed, c\u00f3 b\u1ea3n tr\u1ea3 ph\u00ed t\u1eeb $199.99\/n\u0103m):<\/strong> B\u1ea3o v\u1ec7 website b\u1eb1ng t\u01b0\u1eddng l\u1eeda, qu\u00e9t malware v\u00e0 theo d\u00f5i nh\u1eadt k\u00fd b\u1ea3o m\u1eadt.<\/li>\n\n\n\n<li><strong>MalCare (Mi\u1ec5n ph\u00ed, b\u1ea3n tr\u1ea3 ph\u00ed t\u1eeb $99\/n\u0103m):<\/strong> Qu\u00e9t v\u00e0 x\u00f3a malware, cung c\u1ea5p t\u01b0\u1eddng l\u1eeda mi\u1ec5n ph\u00ed.<\/li>\n\n\n\n<li><strong>Jetpack (Mi\u1ec5n ph\u00ed, g\u00f3i b\u1ea3o m\u1eadt t\u1eeb $10\/th\u00e1ng): <\/strong>Qu\u00e9t malware, sao l\u01b0u d\u1eef li\u1ec7u, ng\u0103n ch\u1eb7n t\u1ea5n c\u00f4ng brute-force.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"6._Gi\u1edbi_h\u1ea1n_quy\u1ec1n_truy_c\u1eadp_c\u1ee7a_ng\u01b0\u1eddi_d\u00f9ng\"><a id=\"post-115944-_qqt6shrpcqjj\"><\/a><strong>6. Gi\u1edbi h\u1ea1n quy\u1ec1n truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/strong><\/h3>\n\n\n\n<p>Trong WordPress, kh\u00f4ng ph\u1ea3i ai c\u0169ng c\u1ea7n quy\u1ec1n Administrator. H\u1ea1n ch\u1ebf s\u1ed1 ng\u01b0\u1eddi c\u00f3 quy\u1ec1n cao c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m nguy c\u01a1 t\u1ea5n c\u00f4ng SQL Injection.<\/p>\n\n\n\n<p>C\u00e1ch ch\u1ec9nh s\u1eeda quy\u1ec1n ng\u01b0\u1eddi d\u00f9ng trong WordPress:<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 1: <\/strong>\u0110\u0103ng nh\u1eadp qu\u1ea3n tr\u1ecb WordPress, v\u00e0o <strong>Users <\/strong>\u2192 <strong>All Users<\/strong> trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 2: <\/strong>Ch\u1ecdn ng\u01b0\u1eddi d\u00f9ng, nh\u1ea5n <strong>Edit<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-12.png\" alt=\"Gi\u1edbi h\u1ea1n quy\u1ec1n truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng\" class=\"wp-image-115974\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-12.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-12-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Gi\u1edbi h\u1ea1n quy\u1ec1n truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Thay \u0111\u1ed5i quy\u1ec1n h\u1ea1n t\u1eeb <strong>Administrator<\/strong> xu\u1ed1ng <strong>Editor<\/strong>, <strong>Author<\/strong> ho\u1eb7c <strong>Subscriber<\/strong> n\u1ebfu kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<h3 id=\"7._T\u1ed1i_\u01b0u_v\u00e0_x\u00f3a_c\u00e1c_th\u00e0nh_ph\u1ea7n_kh\u00f4ng_c\u1ea7n_thi\u1ebft_trong_c\u01a1_s\u1edf_d\u1eef_li\u1ec7u\"><a id=\"post-115944-_4aw0dd3j99pu\"><\/a><strong>7. T\u1ed1i \u01b0u v\u00e0 x\u00f3a c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng c\u1ea7n thi\u1ebft trong c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/strong><\/h3>\n\n\n\n<p>C\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 l\u00e0m t\u0103ng r\u1ee7i ro b\u1ea3o m\u1eadt. B\u1ea1n c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a b\u1eb1ng c\u00e1ch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>X\u00f3a c\u00e1c b\u00e0i vi\u1ebft \u0111\u00e3 x\u00f3a, b\u1ea3n nh\u00e1p c\u0169, v\u00e0 d\u1eef li\u1ec7u kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n\n\n\n<li>D\u00f9ng plugin WP-Optimize \u0111\u1ec3 d\u1ecdn d\u1eb9p d\u1eef li\u1ec7u d\u1ec5 d\u00e0ng.<\/li>\n<\/ul>\n\n\n\n<p>Sau khi c\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t WP-Optimize, b\u1ea1n s\u1ebd th\u1ea5y \u0111\u1ea7y \u0111\u1ee7 c\u00e1c t\u00f9y ch\u1ecdn t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u. Thay v\u00ec ch\u1ea1y l\u1ec7nh SQL th\u1ee7 c\u00f4ng, b\u1ea1n ch\u1ec9 c\u1ea7n tick v\u00e0o h\u1ed9p c\u1ee5 th\u1ec3 r\u1ed3i nh\u1ea5n <strong>Run Optimization<\/strong><\/p>\n\n\n\n<h3 id=\"8._S\u1eed_d\u1ee5ng_Prepared_Statements_\u0111\u1ec3_ng\u0103n_SQL_Injection\"><a id=\"post-115944-_1flmmne59hpn\"><\/a><strong>8. S\u1eed d\u1ee5ng Prepared Statements \u0111\u1ec3 ng\u0103n SQL Injection<\/strong><\/h3>\n\n\n\n<p>Prepared Statements l\u00e0 m\u1ed9t m\u1eabu SQL \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh v\u1edbi c\u00e1c tham s\u1ed1 bi\u1ebfn. Sau khi c\u01a1 s\u1edf d\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c m\u1eabu n\u00e0y, n\u00f3 s\u1ebd l\u01b0u tr\u1eef m\u1ed9t k\u1ebf ho\u1ea1ch \u0111\u1ec3 th\u1ef1c hi\u1ec7n truy v\u1ea5n. Sau \u0111\u00f3, d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c tham s\u1ed1, th\u1ef1c hi\u1ec7n c\u00e2u l\u1ec7nh.<\/p>\n\n\n\n<p>Prepared Statements gi\u00fap ng\u0103n ch\u1eb7n hacker ch\u00e8n m\u00e3 SQL \u0111\u1ed9c h\u1ea1i v\u00e0o truy v\u1ea5n c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 v\u1ec1 Prepared Statement trong PHP:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$stmt = $mysqli->prepare(\"SELECT * FROM users WHERE user = ? AND password = ?\");\n\n$stmt->bind_param(\"ss\", $username, $password);\n\n$stmt->execute();<\/code><\/pre>\n\n\n\n<p><strong>L\u01b0u \u00fd kh\u00f4ng n\u00ean d\u00f9ng c\u00e2u l\u1ec7nh SQL \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0y:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$sql = \"SELECT * FROM users WHERE user = '$username' AND password = '$password'\";<\/code><\/pre>\n\n\n\n<p>V\u00ec hacker c\u00f3 th\u1ec3 ch\u00e8n m\u00e3 SQL v\u00e0 l\u1ea5y d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ee7a b\u1ea1n!<\/p>\n\n\n\n<h3 id=\"9._\u1ea8n_phi\u00ean_b\u1ea3n_WordPress\"><a id=\"post-115944-_157pcru3p53b\"><\/a><strong>9. \u1ea8n phi\u00ean b\u1ea3n WordPress<\/strong><\/h3>\n\n\n\n<p>Khi hacker bi\u1ebft phi\u00ean b\u1ea3n WordPress b\u1ea1n \u0111ang d\u00f9ng, h\u1ecd c\u00f3 th\u1ec3 khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt c\u1ee7a phi\u00ean b\u1ea3n \u0111\u00f3. B\u1ea1n c\u00f3 th\u1ec3 \u1ea9n phi\u00ean b\u1ea3n WordPress b\u1eb1ng c\u00e1ch:<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 1: <\/strong>Truy c\u1eadp <strong>File Manager<\/strong> th\u00f4ng qua cPanel hosting (ho\u1eb7c m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n t\u01b0\u01a1ng t\u1ef1).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-13.png\" alt=\"\u1ea8n phi\u00ean b\u1ea3n WordPress\" class=\"wp-image-115975\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-13.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-13-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>\u1ea8n phi\u00ean b\u1ea3n WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 2: <\/strong>Truy c\u1eadp <strong>public_html<\/strong> \u2192 <strong>wp-content<\/strong> \u2192 <strong>themes<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-14.png\" alt=\"\u1ea8n phi\u00ean b\u1ea3n WordPress\" class=\"wp-image-115976\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-14.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-14-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>\u1ea8n phi\u00ean b\u1ea3n WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 3: <\/strong>M\u1edf th\u01b0 m\u1ee5c c\u1ee7a theme b\u1ea1n \u0111ang s\u1eed d\u1ee5ng, t\u00ecm <strong>file functions.php<\/strong> v\u00e0 d\u00e1n \u0111o\u1ea1n m\u00e3 sau v\u00e0o cu\u1ed1i file:<\/p>\n\n\n\n<p>remove_action(&#8216;wp_head&#8217;, &#8216;wp_generator&#8217;);<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-15.png\" alt=\"\u1ea8n phi\u00ean b\u1ea3n WordPress\" class=\"wp-image-115977\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-15.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/06\/cach-chan-WordPress-SQL-Injection-15-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>\u1ea8n phi\u00ean b\u1ea3n WordPress<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>C\u00e1ch n\u00e0y khi\u1ebfn hacker kh\u00f3 x\u00e1c \u0111\u1ecbnh l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt tr\u00ean trang web c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h3 id=\"K\u1ebft_lu\u1eadn\"><a id=\"post-115944-_jwyim8iver2t\"><\/a><strong>K\u1ebft lu\u1eadn<\/strong><\/h3>\n\n\n\n<p>SQL Injection l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt nguy hi\u1ec3m nh\u1ea5t \u0111\u1ed1i v\u1edbi WordPress, nh\u01b0ng b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 ph\u00f2ng tr\u00e1nh b\u1eb1ng c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f9 h\u1ee3p. H\u00e3y ch\u1ee7 \u0111\u1ed9ng b\u1ea3o v\u1ec7 website c\u1ee7a b\u1ea1n ngay h\u00f4m nay \u0111\u1ec3 tr\u00e1nh nh\u1eefng r\u1ee7i ro kh\u00f4ng \u0111\u00e1ng c\u00f3!<\/p>\n\n\n\n<h2 id=\"Nh\u1eefng_c\u00e2u_h\u1ecfi_th\u01b0\u1eddng_g\u1eb7p\"><a id=\"post-115944-_qc66enibfxyb\"><\/a>Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"T\u1ea1i_sao_c\u1ea7n_c\u1eadp_nh\u1eadt_th\u01b0\u1eddng_xuy\u00ean_WordPress_v\u00e0_plugin?\">T\u1ea1i sao c\u1ea7n c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean WordPress v\u00e0 plugin?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p>Phi\u00ean b\u1ea3n WordPress, plugin ho\u1eb7c theme c\u0169 c\u00f3 th\u1ec3 ch\u1ee9a l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt. Hacker c\u00f3 th\u1ec3 khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng n\u00e0y \u0111\u1ec3 th\u1ef1c hi\u1ec7n SQL Injection. Vi\u1ec7c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean gi\u00fap v\u00e1 c\u00e1c l\u1ed7i b\u1ea3o m\u1eadt v\u00e0 gi\u1eef cho website an to\u00e0n.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"L\u00e0m_th\u1ebf_n\u00e0o_\u0111\u1ec3_bi\u1ebft_trang_web_WordPress_c\u1ee7a_t\u00f4i_c\u00f3_b\u1ecb_t\u1ea5n_c\u00f4ng_SQL_Injection_hay_kh\u00f4ng?\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft trang web WordPress c\u1ee7a t\u00f4i c\u00f3 b\u1ecb t\u1ea5n c\u00f4ng SQL Injection hay kh\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p>D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp gi\u1ea3m \u0111\u1ed9t ng\u1ed9t do Google c\u1ea3nh b\u00e1o trang web kh\u00f4ng an to\u00e0n.<\/li>\n\n\n\n<li>Trang web hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o l\u1ed7i SQL b\u1ea5t th\u01b0\u1eddng (v\u00ed d\u1ee5: &#8220;Error in SQL syntax&#8221;).<\/li>\n\n\n\n<li>D\u1eef li\u1ec7u tr\u00ean trang web b\u1ecb thay \u0111\u1ed5i ho\u1eb7c x\u00f3a m\u00e0 kh\u00f4ng r\u00f5 nguy\u00ean nh\u00e2n.<\/li>\n\n\n\n<li>Website b\u1ecb chuy\u1ec3n h\u01b0\u1edbng \u0111\u1ebfn c\u00e1c trang \u0111\u1ed9c h\u1ea1i ho\u1eb7c xu\u1ea5t hi\u1ec7n qu\u1ea3ng c\u00e1o kh\u00f4ng mong mu\u1ed1n.<\/li>\n<\/ul>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"L\u00e0m_th\u1ebf_n\u00e0o_\u0111\u1ec3_ng\u0103n_ch\u1eb7n_SQL_Injection_trong_c\u00e1c_plugin_v\u00e0_theme_c\u1ee7a_b\u00ean_th\u1ee9_ba?\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ng\u0103n ch\u1eb7n SQL Injection trong c\u00e1c plugin v\u00e0 theme c\u1ee7a b\u00ean th\u1ee9 ba?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ec9 t\u1ea3i xu\u1ed1ng t\u1eeb kho WordPress.org ho\u1eb7c c\u00e1c ngu\u1ed3n \u0111\u00e1ng tin c\u1eady.<\/li>\n\n\n\n<li>Plugin\/theme th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u00e0 c\u00f3 \u0111\u00e1nh gi\u00e1 t\u1ed1t th\u01b0\u1eddng an to\u00e0n h\u01a1n.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 WPScan ho\u1eb7c VirusTotal \u0111\u1ec3 ki\u1ec3m tra m\u00e3 ngu\u1ed3n c\u1ee7a plugin\/theme tr\u01b0\u1edbc khi c\u00e0i \u0111\u1eb7t.<\/li>\n\n\n\n<li>G\u1ee1 b\u1ecf c\u00e1c plugin v\u00e0 theme kh\u00f4ng c\u00f2n s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro.<\/li>\n<\/ul>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"C\u00f3_nh\u1eefng_h\u00ecnh_th\u1ee9c_t\u1ea5n_c\u00f4ng_n\u00e0o_nguy_hi\u1ec3m_t\u01b0\u01a1ng_t\u1ef1_SQL_Injection?\">C\u00f3 nh\u1eefng h\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng n\u00e0o nguy hi\u1ec3m t\u01b0\u01a1ng t\u1ef1 SQL Injection?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p>Ngo\u00e0i SQL Injection, c\u00f3 nhi\u1ec1u h\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng kh\u00e1c c\u0169ng nguy hi\u1ec3m v\u00e0 ph\u1ed5 bi\u1ebfn trong th\u1ebf gi\u1edbi b\u1ea3o m\u1eadt web nh\u01b0: Cross-Site Request Forgery (CSRF), Cross-Site Scripting (XSS), Remote Code Execution (RCE), File Inclusion Vulnerabilities (LFI\/RFI), <a href=\"https:\/\/tino.vn\/blog\/tac-hai-cua-dos-la-gi\/\" target=\"_blank\" data-type=\"post\" data-id=\"34446\" rel=\"noreferrer noopener\">Denial of Service (DoS)<\/a> v\u00e0 <a href=\"https:\/\/tino.vn\/blog\/ddos-la-gi\/\" target=\"_blank\" data-type=\"post\" data-id=\"265\" rel=\"noreferrer noopener\">Distributed Denial of Service (DDoS)<\/a>,&#8230;<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"T\u1ea1i sao c\u1ea7n c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean WordPress v\u00e0 plugin?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"<p>Phi\u00ean b\u1ea3n WordPress, plugin ho\u1eb7c theme c\u0169 c\u00f3 th\u1ec3 ch\u1ee9a l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt. Hacker c\u00f3 th\u1ec3 khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng n\u00e0y \u0111\u1ec3 th\u1ef1c hi\u1ec7n SQL Injection. Vi\u1ec7c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean gi\u00fap v\u00e1 c\u00e1c l\u1ed7i b\u1ea3o m\u1eadt v\u00e0 gi\u1eef cho website an to\u00e0n.<\/p>\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft trang web WordPress c\u1ee7a t\u00f4i c\u00f3 b\u1ecb t\u1ea5n c\u00f4ng SQL Injection hay kh\u00f4ng?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"<p>D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft :<\/p><ul><li>L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp gi\u1ea3m \u0111\u1ed9t ng\u1ed9t do Google c\u1ea3nh b\u00e1o trang web kh\u00f4ng an to\u00e0n.<\/li><li>Trang web hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o l\u1ed7i SQL b\u1ea5t th\u01b0\u1eddng (v\u00ed d\u1ee5: \\\"Error in SQL syntax\\\").<\/li><li>D\u1eef li\u1ec7u tr\u00ean trang web b\u1ecb thay \u0111\u1ed5i ho\u1eb7c x\u00f3a m\u00e0 kh\u00f4ng r\u00f5 nguy\u00ean nh\u00e2n.<\/li><li>Website b\u1ecb chuy\u1ec3n h\u01b0\u1edbng \u0111\u1ebfn c\u00e1c trang \u0111\u1ed9c h\u1ea1i ho\u1eb7c xu\u1ea5t hi\u1ec7n qu\u1ea3ng c\u00e1o kh\u00f4ng mong mu\u1ed1n.<\/li><\/ul>\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ng\u0103n ch\u1eb7n SQL Injection trong c\u00e1c plugin v\u00e0 theme c\u1ee7a b\u00ean th\u1ee9 ba?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"<ul><li>Ch\u1ec9 t\u1ea3i xu\u1ed1ng t\u1eeb kho WordPress.org ho\u1eb7c c\u00e1c ngu\u1ed3n \u0111\u00e1ng tin c\u1eady.<\/li><li>Plugin\/theme th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u00e0 c\u00f3 \u0111\u00e1nh gi\u00e1 t\u1ed1t th\u01b0\u1eddng an to\u00e0n h\u01a1n.<\/li><li>S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 WPScan ho\u1eb7c VirusTotal \u0111\u1ec3 ki\u1ec3m tra m\u00e3 ngu\u1ed3n c\u1ee7a plugin\/theme tr\u01b0\u1edbc khi c\u00e0i \u0111\u1eb7t.<\/li><li>G\u1ee1 b\u1ecf c\u00e1c plugin v\u00e0 theme kh\u00f4ng c\u00f2n s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro.<\/li><\/ul>\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"C\u00f3 nh\u1eefng h\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng n\u00e0o nguy hi\u1ec3m t\u01b0\u01a1ng t\u1ef1 SQL Injection?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"<p>Ngo\u00e0i SQL Injection, c\u00f3 nhi\u1ec1u h\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng kh\u00e1c c\u0169ng nguy hi\u1ec3m v\u00e0 ph\u1ed5 bi\u1ebfn trong th\u1ebf gi\u1edbi b\u1ea3o m\u1eadt web nh\u01b0: Cross-Site Request Forgery (CSRF), Cross-Site Scripting (XSS), Remote Code Execution (RCE), File Inclusion Vulnerabilities (LFI\/RFI), <a>Denial of Service (DoS)<\/a> v\u00e0 <a>Distributed Denial of Service (DDoS)<\/a>,...<\/p>\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u01b0\u1ee3c xem l\u00e0 CMS ph\u1ed5 bi\u1ebfn nh\u1ea5t th\u1ebf gi\u1edbi, WordPress th\u01b0\u1eddng tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau t\u1ea5n c\u00f4ng c\u1ee7a nhi\u1ec1u hacker. M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng th\u1ee9c t\u1ea5n c\u00f4ng nguy hi\u1ec3m nh\u1ea5t l\u00e0 SQL Injection \u2013 k\u1ef9 thu\u1eadt khai th\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u, cho ph\u00e9p k\u1ebb x\u1ea5u \u0111\u00e1nh c\u1eafp ho\u1eb7c thao [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":115978,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7381],"tags":[6154],"class_list":["post-115944","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bao-mat-wordpress","tag-kien-thuc-wordpress"],"_links":{"self":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/115944","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/comments?post=115944"}],"version-history":[{"count":3,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/115944\/revisions"}],"predecessor-version":[{"id":115980,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/115944\/revisions\/115980"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media\/115978"}],"wp:attachment":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media?parent=115944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/categories?post=115944"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/tags?post=115944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}