{"id":33,"date":"2025-11-09T14:53:00","date_gmt":"2025-11-09T07:53:00","guid":{"rendered":"http:\/\/cungdev.com\/?p=33"},"modified":"2025-11-09T14:53:00","modified_gmt":"2025-11-09T07:53:00","slug":"bao-mat-ung-dung-web-tu-goc-nhin-cua-nguoi-viet-code-hang-ngay","status":"publish","type":"post","link":"https:\/\/cungdev.com\/?p=33","title":{"rendered":"B\u1ea3o m\u1eadt \u1ee9ng d\u1ee5ng web t\u1eeb g\u00f3c nh\u00ecn c\u1ee7a ng\u01b0\u1eddi vi\u1ebft code h\u1eb1ng ng\u00e0y"},"content":{"rendered":"<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cungdev.com\/wp-content\/uploads\/2026\/06\/bc_26669_22019.jpg\" alt=\"\"\/><\/figure>\n<p>B\u1ea3o m\u1eadt th\u01b0\u1eddng b\u1ecb xem l\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a m\u1ed9t b\u1ed9 ph\u1eadn chuy\u00ean bi\u1ec7t, th\u1ee9 ch\u1ec9 \u0111\u01b0\u1ee3c ngh\u0129 \u0111\u1ebfn khi s\u1eafp ra m\u1eaft ho\u1eb7c khi \u0111\u00e3 x\u1ea3y ra s\u1ef1 c\u1ed1. C\u00e1ch nh\u00ecn n\u00e0y nguy hi\u1ec3m, b\u1edfi ph\u1ea7n l\u1edbn l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng quy\u1ebft \u0111\u1ecbnh nh\u1ecf trong code h\u1eb1ng ng\u00e0y. M\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean hi\u1ec3u c\u00e1c nguy\u00ean t\u1eafc b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n s\u1ebd ph\u00f2ng tr\u00e1nh \u0111\u01b0\u1ee3c \u0111a s\u1ed1 r\u1ee7i ro ph\u1ed5 bi\u1ebfn ngay t\u1eeb khi g\u00f5 nh\u1eefng d\u00f2ng \u0111\u1ea7u ti\u00ean, r\u1ebb v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c v\u00e1 l\u1ed7i sau khi b\u1ecb t\u1ea5n c\u00f4ng.<\/p>\n<h2>Kh\u00f4ng bao gi\u1edd tin t\u01b0\u1edfng d\u1eef li\u1ec7u t\u1eeb b\u00ean ngo\u00e0i<\/h2>\n<p>Nguy\u00ean t\u1eafc n\u1ec1n t\u1ea3ng c\u1ee7a b\u1ea3o m\u1eadt \u1ee9ng d\u1ee5ng l\u00e0 m\u1ecdi d\u1eef li\u1ec7u \u0111\u1ebfn t\u1eeb b\u00ean ngo\u00e0i h\u1ec7 th\u1ed1ng \u0111\u1ec1u ph\u1ea3i b\u1ecb coi l\u00e0 kh\u00f4ng \u0111\u00e1ng tin cho \u0111\u1ebfn khi \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o bi\u1ec3u m\u1eabu, tham s\u1ed1 tr\u00ean \u0111\u01b0\u1eddng d\u1eabn, n\u1ed9i dung t\u1ec7p t\u1ea3i l\u00ean, v\u00e0 c\u1ea3 ph\u1ea3n h\u1ed3i t\u1eeb c\u00e1c d\u1ecbch v\u1ee5 b\u00ean th\u1ee9 ba. Nhi\u1ec1u lo\u1ea1i t\u1ea5n c\u00f4ng nghi\u00eam tr\u1ecdng nh\u1ea5t \u0111\u1ec1u khai th\u00e1c vi\u1ec7c \u1ee9ng d\u1ee5ng tin t\u01b0\u1edfng m\u00f9 qu\u00e1ng v\u00e0o d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/p>\n<p>Hai h\u1ecd l\u1ed7 h\u1ed5ng kinh \u0111i\u1ec3n minh h\u1ecda r\u00f5 \u0111i\u1ec1u n\u00e0y. T\u1ea5n c\u00f4ng ti\u00eam nhi\u1ec5m x\u1ea3y ra khi d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng b\u1ecb tr\u1ed9n l\u1eabn v\u1edbi c\u00e2u l\u1ec7nh, ch\u1eb3ng h\u1ea1n m\u1ed9t chu\u1ed7i nh\u1eadp v\u00e0o \u0111\u01b0\u1ee3c gh\u00e9p th\u1eb3ng v\u00e0o truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u, cho ph\u00e9p k\u1ebb t\u1ea5n c\u00f4ng thay \u0111\u1ed5i \u00fd ngh\u0129a c\u1ee7a c\u00e2u l\u1ec7nh \u0111\u00f3. C\u00e1ch ph\u00f2ng ch\u1ed1ng l\u00e0 lu\u00f4n t\u00e1ch d\u1eef li\u1ec7u kh\u1ecfi l\u1ec7nh, s\u1eed d\u1ee5ng truy v\u1ea5n tham s\u1ed1 h\u00f3a thay v\u00ec gh\u00e9p chu\u1ed7i. H\u1ecd l\u1ed7 h\u1ed5ng th\u1ee9 hai l\u00e0 ch\u00e8n m\u00e3 k\u1ecbch b\u1ea3n ph\u00eda tr\u00ecnh duy\u1ec7t, khi n\u1ed9i dung do ng\u01b0\u1eddi d\u00f9ng cung c\u1ea5p \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb l\u1ea1i m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch, khi\u1ebfn m\u00e3 \u0111\u1ed9c ch\u1ea1y trong tr\u00ecnh duy\u1ec7t c\u1ee7a n\u1ea1n nh\u00e2n. C\u00e1ch ph\u00f2ng ch\u1ed1ng l\u00e0 lu\u00f4n m\u00e3 h\u00f3a d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi ng\u1eef c\u1ea3nh hi\u1ec3n th\u1ecb.<\/p>\n<h2>X\u00e1c th\u1ef1c v\u00e0 ph\u00e2n quy\u1ec1n l\u00e0 hai vi\u1ec7c kh\u00e1c nhau<\/h2>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi nh\u1ea7m l\u1eabn gi\u1eefa x\u00e1c th\u1ef1c v\u00e0 ph\u00e2n quy\u1ec1n, nh\u01b0ng \u0111\u00e2y l\u00e0 hai kh\u00e1i ni\u1ec7m t\u00e1ch bi\u1ec7t v\u00e0 \u0111\u1ec1u quan tr\u1ecdng. X\u00e1c th\u1ef1c tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi b\u1ea1n l\u00e0 ai, trong khi ph\u00e2n quy\u1ec1n tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi b\u1ea1n \u0111\u01b0\u1ee3c ph\u00e9p l\u00e0m g\u00ec. M\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 x\u00e1c th\u1ef1c \u0111\u00fang ng\u01b0\u1eddi d\u00f9ng nh\u01b0ng v\u1eabn \u0111\u1ec3 l\u1ed9 d\u1eef li\u1ec7u n\u1ebfu qu\u00ean ki\u1ec3m tra quy\u1ec1n truy c\u1eadp \u1edf t\u1eebng thao t\u00e1c.<\/p>\n<ul>\n<li>L\u01b0u m\u1eadt kh\u1ea9u b\u1eb1ng h\u00e0m b\u0103m chuy\u00ean d\u1ee5ng cho m\u1eadt kh\u1ea9u, kh\u00f4ng bao gi\u1edd l\u01b0u d\u01b0\u1edbi d\u1ea1ng v\u0103n b\u1ea3n g\u1ed1c hay m\u00e3 h\u00f3a c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c.<\/li>\n<li>Ki\u1ec3m tra ph\u00e2n quy\u1ec1n \u1edf ph\u00eda m\u00e1y ch\u1ee7 cho m\u1ecdi y\u00eau c\u1ea7u, kh\u00f4ng bao gi\u1edd ch\u1ec9 d\u1ef1a v\u00e0o vi\u1ec7c \u1ea9n n\u00fat b\u1ea5m \u1edf giao di\u1ec7n.<\/li>\n<li>\u00c1p d\u1ee5ng nguy\u00ean t\u1eafc \u0111\u1eb7c quy\u1ec1n t\u1ed1i thi\u1ec3u, ch\u1ec9 c\u1ea5p cho m\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u00fang quy\u1ec1n n\u00f3 c\u1ea7n \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li>C\u1ea9n th\u1eadn v\u1edbi l\u1ed7 h\u1ed5ng truy c\u1eadp tr\u1ef1c ti\u1ebfp \u0111\u1ed1i t\u01b0\u1ee3ng, khi ng\u01b0\u1eddi d\u00f9ng \u0111\u1ed5i m\u1ed9t m\u00e3 \u0111\u1ecbnh danh tr\u00ean \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ec3 xem d\u1eef li\u1ec7u c\u1ee7a ng\u01b0\u1eddi kh\u00e1c.<\/li>\n<\/ul>\n<h2>Qu\u1ea3n l\u00fd b\u00ed m\u1eadt v\u00e0 ph\u1ee5 thu\u1ed9c<\/h2>\n<p>M\u1ed9t ngu\u1ed3n r\u00f2 r\u1ec9 ph\u1ed5 bi\u1ebfn \u0111\u1ebfn m\u1ee9c \u0111\u00e1ng ng\u1ea1c nhi\u00ean l\u00e0 vi\u1ec7c \u0111\u01b0a c\u00e1c th\u00f4ng tin b\u00ed m\u1eadt nh\u01b0 kh\u00f3a truy c\u1eadp v\u00e0 m\u1eadt kh\u1ea9u c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u1eb3ng v\u00e0o m\u00e3 ngu\u1ed3n, r\u1ed3i v\u00f4 t\u00ecnh \u0111\u1ea9y ch\u00fang l\u00ean kho m\u00e3 c\u00f4ng khai. B\u00ed m\u1eadt n\u00ean \u0111\u01b0\u1ee3c l\u01b0u trong c\u1ea5u h\u00ecnh m\u00f4i tr\u01b0\u1eddng ho\u1eb7c d\u1ecbch v\u1ee5 qu\u1ea3n l\u00fd b\u00ed m\u1eadt chuy\u00ean d\u1ee5ng, t\u00e1ch ho\u00e0n to\u00e0n kh\u1ecfi code. M\u1ed9t khi m\u1ed9t b\u00ed m\u1eadt \u0111\u00e3 b\u1ecb l\u1ed9 trong l\u1ecbch s\u1eed kho m\u00e3, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c coi l\u00e0 \u0111\u00e3 b\u1ecb x\u00e2m ph\u1ea1m v\u00e0 c\u1ea7n thay m\u1edbi ngay, v\u00ec l\u1ecbch s\u1eed r\u1ea5t kh\u00f3 x\u00f3a s\u1ea1ch.<\/p>\n<p>Ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean h\u00e0ng lo\u1ea1t th\u01b0 vi\u1ec7n c\u1ee7a b\u00ean th\u1ee9 ba, v\u00e0 m\u1ed7i th\u01b0 vi\u1ec7n \u0111\u1ec1u c\u00f3 th\u1ec3 ch\u1ee9a l\u1ed7 h\u1ed5ng. M\u1ed9t l\u1ed7 h\u1ed5ng nghi\u00eam tr\u1ecdng trong m\u1ed9t th\u01b0 vi\u1ec7n \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng c\u00f9ng l\u00fac. V\u00ec v\u1eady, h\u00e3y theo d\u00f5i c\u00e1c ph\u1ee5 thu\u1ed9c c\u1ee7a b\u1ea1n, c\u1eadp nh\u1eadt ch\u00fang k\u1ecbp th\u1eddi khi c\u00f3 b\u1ea3n v\u00e1 b\u1ea3o m\u1eadt, v\u00e0 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng qu\u00e9t \u0111\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng ph\u1ee5 thu\u1ed9c \u0111\u00e3 bi\u1ebft l\u00e0 c\u00f3 v\u1ea5n \u0111\u1ec1.<\/p>\n<h2>Ph\u00f2ng th\u1ee7 theo chi\u1ec1u s\u00e2u v\u00e0 t\u01b0 duy \u0111\u00fang \u0111\u1eafn<\/h2>\n<p>Kh\u00f4ng c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt \u0111\u01a1n l\u1ebb n\u00e0o l\u00e0 ho\u00e0n h\u1ea3o, n\u00ean c\u00e1ch ti\u1ebfp c\u1eadn kh\u00f4n ngoan l\u00e0 ph\u00f2ng th\u1ee7 theo chi\u1ec1u s\u00e2u: nhi\u1ec1u l\u1edbp b\u1ea3o v\u1ec7 \u0111\u1ed9c l\u1eadp sao cho khi m\u1ed9t l\u1edbp th\u1ea5t b\u1ea1i, c\u00e1c l\u1edbp kh\u00e1c v\u1eabn \u0111\u1ee9ng v\u1eefng. M\u00e3 h\u00f3a d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m c\u1ea3 khi l\u01b0u tr\u1eef l\u1eabn khi truy\u1ec1n \u0111i, gi\u1edbi h\u1ea1n t\u1ea7n su\u1ea5t y\u00eau c\u1ea7u \u0111\u1ec3 ch\u1ed1ng d\u00f2 m\u1eadt kh\u1ea9u, ghi nh\u1eadt k\u00fd \u0111\u1ec3 ph\u00e1t hi\u1ec7n h\u00e0nh vi b\u1ea5t th\u01b0\u1eddng, t\u1ea5t c\u1ea3 b\u1ed5 sung cho nhau.<\/p>\n<p>Quan tr\u1ecdng nh\u1ea5t l\u00e0 thay \u0111\u1ed5i t\u01b0 duy. B\u1ea3o m\u1eadt kh\u00f4ng ph\u1ea3i t\u00ednh n\u0103ng c\u00f3 th\u1ec3 g\u1eafn v\u00e0o cu\u1ed1i, m\u00e0 l\u00e0 m\u1ed9t thu\u1ed9c t\u00ednh c\u1ea7n \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc trong t\u1eebng quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf. H\u00e3y t\u1eadp th\u00f3i quen t\u1ef1 h\u1ecfi \u0111i\u1ec1u t\u1ed3i t\u1ec7 nh\u1ea5t c\u00f3 th\u1ec3 x\u1ea3y ra v\u1edbi \u0111o\u1ea1n code n\u00e0y l\u00e0 g\u00ec, m\u1ed9t k\u1ebb x\u1ea5u s\u1ebd l\u1ea1m d\u1ee5ng n\u00f3 ra sao. T\u01b0 duy ph\u00f2ng th\u1ee7 n\u00e0y, k\u1ebft h\u1ee3p v\u1edbi nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n \u1edf tr\u00ean, s\u1ebd gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng nh\u1eefng \u1ee9ng d\u1ee5ng v\u1eeba h\u1eefu \u00edch v\u1eeba \u0111\u00e1ng tin c\u1eady cho ng\u01b0\u1eddi d\u00f9ng giao ph\u00f3 d\u1eef li\u1ec7u c\u1ee7a h\u1ecd.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea3o m\u1eadt th\u01b0\u1eddng b\u1ecb xem l\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a m\u1ed9t b\u1ed9 ph\u1eadn chuy\u00ean bi\u1ec7t, th\u1ee9 ch\u1ec9 \u0111\u01b0\u1ee3c ngh\u0129 \u0111\u1ebfn khi s\u1eafp ra m\u1eaft ho\u1eb7c khi \u0111\u00e3 x\u1ea3y ra s\u1ef1 c\u1ed1. C\u00e1ch nh\u00ecn n\u00e0y nguy hi\u1ec3m, b\u1edfi ph\u1ea7n l\u1edbn l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng quy\u1ebft \u0111\u1ecbnh nh\u1ecf trong code h\u1eb1ng ng\u00e0y. M\u1ed9t l\u1eadp&#8230;<\/p>\n","protected":false},"author":0,"featured_media":32,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-33","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chua-phan-loai"],"_links":{"self":[{"href":"https:\/\/cungdev.com\/index.php?rest_route=\/wp\/v2\/posts\/33","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cungdev.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cungdev.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/cungdev.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=33"}],"version-history":[{"count":0,"href":"https:\/\/cungdev.com\/index.php?rest_route=\/wp\/v2\/posts\/33\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cungdev.com\/index.php?rest_route=\/wp\/v2\/media\/32"}],"wp:attachment":[{"href":"https:\/\/cungdev.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=33"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cungdev.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cungdev.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}