{"id":477749,"date":"2023-08-09T09:19:35","date_gmt":"2023-08-09T09:19:35","guid":{"rendered":""},"modified":"2023-09-05T11:15:18","modified_gmt":"2023-09-05T11:15:18","slug":"jsonp-injection","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/jsonp-injection\/","title":{"rendered":"ch\u00e8n JSONP"},"content":{"rendered":"<p>T\u00ednh n\u0103ng ch\u00e8n JSONP (JSON with Padding) l\u00e0 m\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt web x\u1ea3y ra khi k\u1ebb t\u1ea5n c\u00f4ng thao t\u00fang \u0111i\u1ec3m cu\u1ed1i JSONP c\u1ee7a trang web \u0111\u1ec3 th\u1ef1c thi m\u00e3 t\u00f9y \u00fd ho\u1eb7c \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m t\u1eeb ng\u01b0\u1eddi d\u00f9ng. Vi\u1ec7c ch\u00e8n JSONP khai th\u00e1c t\u00ednh ch\u1ea5t cho ph\u00e9p c\u1ee7a c\u00e1c y\u00eau c\u1ea7u JSONP \u0111\u1ec3 b\u1ecf qua ch\u00ednh s\u00e1ch c\u00f9ng ngu\u1ed3n g\u1ed1c, ch\u00ednh s\u00e1ch n\u00e0y h\u1ea1n ch\u1ebf c\u00e1c trang web g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn c\u00e1c mi\u1ec1n kh\u00e1c ngo\u00e0i mi\u1ec1n c\u1ee7a ch\u00fang.<\/p>\n<h2>L\u1ecbch s\u1eed v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a vi\u1ec7c ti\u00eam JSONP v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>Kh\u00e1i ni\u1ec7m JSONP b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u ph\u00e1t tri\u1ec3n web khi ch\u00ednh s\u00e1ch c\u00f9ng ngu\u1ed3n g\u1ed1c \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u1ed1i v\u1edbi giao ti\u1ebfp gi\u1eefa c\u00e1c trang web c\u00f3 ngu\u1ed3n g\u1ed1c ch\u00e9o. JSONP ban \u0111\u1ea7u \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf \u0111\u1ec3 cho ph\u00e9p c\u00e1c y\u00eau c\u1ea7u t\u00ean mi\u1ec1n ch\u00e9o m\u1ed9t c\u00e1ch an to\u00e0n. L\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c ch\u00e8n JSONP trong b\u1ed1i c\u1ea3nh b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb gi\u1eefa nh\u1eefng n\u0103m 2000 khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u b\u1ea3o m\u1eadt b\u1eaft \u0111\u1ea7u x\u00e1c \u0111\u1ecbnh c\u00e1c r\u1ee7i ro v\u00e0 t\u00e1c \u0111\u1ed9ng ti\u1ec1m \u1ea9n c\u1ee7a n\u00f3.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 vi\u1ec7c ch\u00e8n JSONP: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 vi\u1ec7c ch\u00e8n JSONP<\/h2>\n<p>Ch\u00e8n JSONP l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng \u0111\u1ec3 khai th\u00e1c c\u00e1c trang web bao g\u1ed3m \u0111i\u1ec3m cu\u1ed1i JSONP m\u00e0 kh\u00f4ng c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt th\u00edch h\u1ee3p. N\u00f3 t\u1eadn d\u1ee5ng th\u1ef1c t\u1ebf l\u00e0 c\u00e1c y\u00eau c\u1ea7u JSONP \u0111\u01b0\u1ee3c th\u1ef1c thi b\u1eb1ng c\u00e1ch t\u1ea1o \u0111\u1ed9ng c\u00e1c th\u1ebb t\u1eadp l\u1ec7nh, gi\u00fap c\u00f3 th\u1ec3 t\u1ea3i m\u00e3 JavaScript b\u00ean ngo\u00e0i t\u1eeb m\u1ed9t mi\u1ec1n kh\u00e1c. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p k\u1ebb t\u1ea5n c\u00f4ng ti\u00eam m\u00e3 JavaScript \u0111\u1ed9c h\u1ea1i v\u00e0o tr\u00ecnh duy\u1ec7t c\u1ee7a n\u1ea1n nh\u00e2n v\u00e0 thay m\u1eb7t h\u1ecd th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng.<\/p>\n<p>Quy tr\u00ecnh l\u00e0m vi\u1ec7c \u0111i\u1ec3n h\u00ecnh c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng ti\u00eam JSONP bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ol>\n<li>\n<p>K\u1ebb t\u1ea5n c\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m cu\u1ed1i JSONP d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng tr\u00ean trang web m\u1ee5c ti\u00eau, th\u01b0\u1eddng l\u00e0 \u0111i\u1ec3m cu\u1ed1i bao g\u1ed3m d\u1eef li\u1ec7u d\u00e0nh ri\u00eang cho ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c m\u00e3 th\u00f4ng b\u00e1o x\u00e1c th\u1ef1c.<\/p>\n<\/li>\n<li>\n<p>K\u1ebb t\u1ea5n c\u00f4ng t\u1ea1o ra m\u1ed9t URL \u0111\u01b0\u1ee3c t\u1ea1o \u0111\u1eb7c bi\u1ec7t c\u00f3 ch\u1ee9a t\u1ea3i tr\u1ecdng \u0111\u1ed9c h\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ee9c n\u0103ng g\u1ecdi l\u1ea1i th\u1ef1c thi m\u00e3 t\u00f9y \u00fd.<\/p>\n<\/li>\n<li>\n<p>N\u1ea1n nh\u00e2n truy c\u1eadp m\u1ed9t trang do k\u1ebb t\u1ea5n c\u00f4ng ki\u1ec3m so\u00e1t, trang n\u00e0y bao g\u1ed3m th\u1ebb t\u1eadp l\u1ec7nh c\u00f3 URL \u0111\u01b0\u1ee3c t\u1ea1o th\u1ee7 c\u00f4ng l\u00e0m ngu\u1ed3n.<\/p>\n<\/li>\n<li>\n<p>Tr\u00ecnh duy\u1ec7t c\u1ee7a n\u1ea1n nh\u00e2n t\u1ea3i t\u1eadp l\u1ec7nh t\u1eeb mi\u1ec1n c\u1ee7a k\u1ebb t\u1ea5n c\u00f4ng, th\u1ef1c thi m\u00e3 \u0111\u1ed9c trong b\u1ed1i c\u1ea3nh trang web m\u1ee5c ti\u00eau.<\/p>\n<\/li>\n<li>\n<p>K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 \u0111\u01b0\u1ee3c quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m, th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng thay m\u1eb7t n\u1ea1n nh\u00e2n ho\u1eb7c khai th\u00e1c th\u00eam c\u00e1c l\u1ed7 h\u1ed5ng tr\u00ean trang web.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a l\u1ec7nh ch\u00e8n JSONP: C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u1ec7nh ch\u00e8n JSONP<\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u00ednh n\u0103ng ch\u00e8n JSONP, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u c\u1ea5u tr\u00fac c\u1ee7a y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i JSONP:<\/p>\n<ul>\n<li>Y\u00eau c\u1ea7u JSONP: M\u00e3 ph\u00eda m\u00e1y kh\u00e1ch b\u1eaft \u0111\u1ea7u y\u00eau c\u1ea7u JSONP b\u1eb1ng c\u00e1ch t\u1ea1o th\u1ebb t\u1eadp l\u1ec7nh c\u00f3 URL \u0111i\u1ec3m cu\u1ed1i JSONP. URL n\u00e0y th\u01b0\u1eddng bao g\u1ed3m tham s\u1ed1 g\u1ecdi l\u1ea1i, l\u00e0 m\u1ed9t h\u00e0m JavaScript \u0111\u01b0\u1ee3c m\u00e1y kh\u00e1ch x\u00e1c \u0111\u1ecbnh \u0111\u1ec3 x\u1eed l\u00fd ph\u1ea3n h\u1ed3i.<\/li>\n<\/ul>\n<pre><div class=\"bg-black rounded-md mb-4\"><div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md\"><span>html<\/span><button class=\"flex ml-auto gap-2\"><svg stroke=\"currentColor\" fill=\"none\" stroke-width=\"2\" viewbox=\"0 0 24 24\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"h-4 w-4\" height=\"1em\" width=\"1em\" ><path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\"><\/path><rect x=\"8\" y=\"2\" width=\"8\" height=\"4\" rx=\"1\" ry=\"1\"><\/rect><\/svg>Sao ch\u00e9p m\u00e3<\/button><\/div><div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-html\" data-no-translation=\"\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">script<\/span> <span class=\"hljs-attr\">src<\/span>=<span class=\"hljs-string\">\"https:\/\/example.com\/data?callback=myCallbackFunction\"<\/span>&gt;<\/span><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">script<\/span>&gt;<\/span>\n<\/code><\/div><\/div><\/pre>\n<ul>\n<li>Ph\u1ea3n h\u1ed3i JSONP: M\u00e1y ch\u1ee7 ph\u1ea3n h\u1ed3i b\u1eb1ng m\u00e3 JavaScript \u0111\u01b0\u1ee3c g\u00f3i b\u00ean trong h\u00e0m g\u1ecdi l\u1ea1i \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/li>\n<\/ul>\n<pre><div class=\"bg-black rounded-md mb-4\"><div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md\"><span>javascript<\/span><button class=\"flex ml-auto gap-2\"><svg stroke=\"currentColor\" fill=\"none\" stroke-width=\"2\" viewbox=\"0 0 24 24\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"h-4 w-4\" height=\"1em\" width=\"1em\" ><path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\"><\/path><rect x=\"8\" y=\"2\" width=\"8\" height=\"4\" rx=\"1\" ry=\"1\"><\/rect><\/svg>Sao ch\u00e9p m\u00e3<\/button><\/div><div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-javascript\" data-no-translation=\"\"><span class=\"hljs-title function_\">myCallbackFunction<\/span>({ <span class=\"hljs-string\">\"name\"<\/span>: <span class=\"hljs-string\">\"John\"<\/span>, <span class=\"hljs-string\">\"age\"<\/span>: <span class=\"hljs-number\">30<\/span> });\n<\/code><\/div><\/div><\/pre>\n<p>Ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c th\u1ef1c thi ngay l\u1eadp t\u1ee9c nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a m\u00e3 ph\u00eda m\u00e1y kh\u00e1ch, cho ph\u00e9p trang web truy c\u1eadp d\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y c\u0169ng m\u1edf ra m\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt v\u00ec b\u1ea5t k\u1ef3 m\u00e3 n\u00e0o c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o d\u01b0\u1edbi d\u1ea1ng ph\u1ea3n h\u1ed3i, d\u1eabn \u0111\u1ebfn vi\u1ec7c ch\u00e8n JSONP.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a vi\u1ec7c ch\u00e8n JSONP<\/h2>\n<p>T\u00ednh n\u0103ng ch\u00e8n JSONP n\u1ed5i b\u1eadt nh\u1edd c\u00e1c t\u00ednh n\u0103ng ch\u00ednh sau:<\/p>\n<ol>\n<li>\n<p>Y\u00eau c\u1ea7u t\u00ean mi\u1ec1n ch\u00e9o: JSONP cho ph\u00e9p c\u00e1c y\u00eau c\u1ea7u t\u00ean mi\u1ec1n ch\u00e9o m\u00e0 kh\u00f4ng vi ph\u1ea1m ch\u00ednh s\u00e1ch c\u00f9ng ngu\u1ed3n g\u1ed1c, gi\u00fap n\u00f3 h\u1eefu \u00edch cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng h\u1ee3p ph\u00e1p nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 b\u1ecb khai th\u00e1c n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt \u0111\u00fang c\u00e1ch.<\/p>\n<\/li>\n<li>\n<p>Th\u1ef1c thi ph\u00eda m\u00e1y kh\u00e1ch: Ph\u1ea3n h\u1ed3i JSONP \u0111\u01b0\u1ee3c th\u1ef1c thi tr\u1ef1c ti\u1ebfp \u1edf ph\u00eda m\u00e1y kh\u00e1ch, d\u1eabn \u0111\u1ebfn vi\u1ec7c th\u1ef1c thi b\u1ea5t k\u1ef3 m\u00e3 \u0111\u01b0\u1ee3c ch\u00e8n n\u00e0o, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra r\u1ee7i ro b\u1ea3o m\u1eadt \u0111\u00e1ng k\u1ec3.<\/p>\n<\/li>\n<li>\n<p>Thi\u1ebfu b\u1ea3o m\u1eadt: JSONP \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n l\u00e0 b\u1ea3o m\u1eadt, d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7 h\u1ed5ng ti\u1ec1m \u1ea9n n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c ki\u1ec3u ch\u00e8n JSONP<\/h2>\n<p>C\u00f3 hai ki\u1ec3u ch\u00e8n JSONP ch\u00ednh:<\/p>\n<ol>\n<li>\n<p><strong>Truy c\u1eadp d\u1eef li\u1ec7u JSONP Ti\u00eam:<\/strong> Trong lo\u1ea1i n\u00e0y, k\u1ebb t\u1ea5n c\u00f4ng khai th\u00e1c \u0111i\u1ec3m cu\u1ed1i JSONP \u0111\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m t\u1eeb trang web m\u1ee5c ti\u00eau. Ch\u1eb3ng h\u1ea1n, n\u1ebfu trang web bao g\u1ed3m m\u1ed9t \u0111i\u1ec3m cu\u1ed1i \u0111\u1ec3 truy xu\u1ea5t th\u00f4ng tin chi ti\u1ebft c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 thao t\u00fang ch\u1ee9c n\u0103ng g\u1ecdi l\u1ea1i \u0111\u1ec3 l\u1ea5y th\u00f4ng tin n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>Ch\u00e8n m\u00e3 JavaScript:<\/strong> T\u1ea1i \u0111\u00e2y, k\u1ebb t\u1ea5n c\u00f4ng ch\u00e8n m\u00e3 JavaScript \u0111\u1ed9c h\u1ea1i v\u00e0o ph\u1ea3n h\u1ed3i JSONP. M\u00e3 n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c thi trong b\u1ed1i c\u1ea3nh c\u1ee7a trang web m\u1ee5c ti\u00eau, c\u00f3 kh\u1ea3 n\u0103ng cho ph\u00e9p k\u1ebb t\u1ea5n c\u00f4ng th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng tr\u00e1i ph\u00e9p thay m\u1eb7t n\u1ea1n nh\u00e2n.<\/p>\n<\/li>\n<\/ol>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh n\u00eau b\u1eadt nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa hai lo\u1ea1i n\u00e0y:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>Kh\u00e1ch quan<\/th>\n<th>k\u1ebft qu\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Truy c\u1eadp d\u1eef li\u1ec7u JSONP Ti\u00eam<\/td>\n<td>Truy c\u1eadp d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m<\/td>\n<td>Truy xu\u1ea5t th\u00f4ng tin c\u1ee5 th\u1ec3 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/td>\n<\/tr>\n<tr>\n<td>Ch\u00e8n m\u00e3 JavaScript<\/td>\n<td>Th\u1ef1c thi m\u00e3 JavaScript \u0111\u1ed9c h\u1ea1i<\/td>\n<td>H\u00e0nh \u0111\u1ed9ng tr\u00e1i ph\u00e9p tr\u00ean trang web m\u1ee5c ti\u00eau<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng t\u00ednh n\u0103ng ch\u00e8n JSONP, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<h3>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng t\u00ednh n\u0103ng ch\u00e8n JSONP:<\/h3>\n<ol>\n<li>\n<p><strong>R\u00f2 r\u1ec9 d\u1eef li\u1ec7u:<\/strong> Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 khai th\u00e1c t\u00ednh n\u0103ng ch\u00e8n JSONP \u0111\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng, \u0111\u1ecba ch\u1ec9 email ho\u1eb7c m\u00e3 th\u00f4ng b\u00e1o x\u00e1c th\u1ef1c.<\/p>\n<\/li>\n<li>\n<p><strong>Ti\u1ebfp qu\u1ea3n t\u00e0i kho\u1ea3n:<\/strong> B\u1eb1ng c\u00e1ch ch\u00e8n m\u00e3 JavaScript, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng thay m\u1eb7t ng\u01b0\u1eddi d\u00f9ng, c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111\u1ebfn x\u00e2m ph\u1ea1m t\u00e0i kho\u1ea3n.<\/p>\n<\/li>\n<\/ol>\n<h3>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p c\u1ee7a h\u1ecd:<\/h3>\n<ol>\n<li>\n<p><strong>X\u00e1c th\u1ef1c kh\u00f4ng \u0111\u00fang:<\/strong> X\u00e1c th\u1ef1c \u0111\u1ea7u v\u00e0o c\u1ee7a tham s\u1ed1 g\u1ecdi l\u1ea1i kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ch\u00e8n JSONP. Nh\u00e0 ph\u00e1t tri\u1ec3n n\u00ean x\u00e1c th\u1ef1c v\u00e0 v\u1ec7 sinh \u0111\u1ea7u v\u00e0o c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 ng\u0103n ch\u1eb7n thao t\u00e1c g\u1ecdi l\u1ea1i.<\/p>\n<\/li>\n<li>\n<p><strong>Thi\u1ebfu \u0111i\u1ec3m cu\u1ed1i an to\u00e0n:<\/strong> \u0110i\u1ec3m cu\u1ed1i JSONP ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt \u0111\u1ea7y \u0111\u1ee7 v\u00e0 ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf c\u00e1c mi\u1ec1n \u0111\u00e1ng tin c\u1eady. Vi\u1ec7c tri\u1ec3n khai c\u00e1c ch\u00ednh s\u00e1ch CORS (Chia s\u1ebb t\u00e0i nguy\u00ean ch\u00e9o ngu\u1ed3n g\u1ed1c) nghi\u00eam ng\u1eb7t c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro ch\u00e8n JSONP.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e1ch s\u1eed d\u1ee5ng JSONP l\u1ed7i th\u1eddi:<\/strong> JSONP c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf v\u00e0 r\u1ee7i ro b\u1ea3o m\u1eadt. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf hi\u1ec7n \u0111\u1ea1i v\u00e0 an to\u00e0n h\u01a1n nh\u01b0 CORS v\u00e0 JSON Web Token (JWT) \u0111\u1ec3 li\u00ean l\u1ea1c gi\u1eefa c\u00e1c mi\u1ec1n.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh gi\u1eefa vi\u1ec7c ch\u00e8n JSONP v\u00e0 c\u00e1c thu\u1eadt ng\u1eef ho\u1eb7c l\u1ed7 h\u1ed5ng t\u01b0\u01a1ng t\u1ef1:<\/p>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<th>S\u1ef1 kh\u00e1c bi\u1ec7t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ti\u00eam JSONP<\/td>\n<td>Khai th\u00e1c c\u00e1c \u0111i\u1ec3m cu\u1ed1i JSONP \u0111\u1ec3 ch\u00e8n m\u00e3<\/td>\n<td>C\u1ee5 th\u1ec3 \u0111\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i JSONP<\/td>\n<\/tr>\n<tr>\n<td>T\u1eadp l\u1ec7nh ch\u00e9o trang (XSS)<\/td>\n<td>\u0110\u01b0a c\u00e1c t\u1eadp l\u1ec7nh \u0111\u1ed9c h\u1ea1i v\u00e0o c\u00e1c trang web<\/td>\n<td>Nh\u1eafm m\u1ee5c ti\u00eau b\u1ea5t k\u1ef3 \u0111\u1ea7u v\u00e0o d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng n\u00e0o tr\u00ean c\u00e1c trang web<\/td>\n<\/tr>\n<tr>\n<td>Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u trang web (CSRF)<\/td>\n<td>Gi\u1ea3 m\u1ea1o c\u00e1c y\u00eau c\u1ea7u tr\u00e1i ph\u00e9p thay m\u1eb7t cho ng\u01b0\u1eddi d\u00f9ng<\/td>\n<td>Khai th\u00e1c l\u00f2ng tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0o m\u1ed9t trang web \u0111\u00e1ng tin c\u1eady<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn vi\u1ec7c ch\u00e8n JSONP<\/h2>\n<p>Khi b\u1ea3o m\u1eadt web ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, vi\u1ec7c s\u1eed d\u1ee5ng JSONP \u0111ang d\u1ea7n gi\u1ea3m \u0111i do nh\u1eefng r\u1ee7i ro b\u1ea3o m\u1eadt c\u1ed1 h\u1eefu c\u1ee7a n\u00f3. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n \u0111ang h\u01b0\u1edbng t\u1edbi c\u00e1c k\u1ef9 thu\u1eadt giao ti\u1ebfp an to\u00e0n h\u01a1n nh\u01b0 CORS, API t\u00ecm n\u1ea1p v\u1edbi c\u00e1c ti\u00eau \u0111\u1ec1 b\u1ea3o m\u1eadt ph\u00f9 h\u1ee3p v\u00e0 s\u1eed d\u1ee5ng M\u00e3 th\u00f4ng b\u00e1o web JSON (JWT) \u0111\u1ec3 x\u00e1c th\u1ef1c nhi\u1ec1u ngu\u1ed3n g\u1ed1c.<\/p>\n<p>Ngo\u00e0i ra, nh\u1eefng ti\u1ebfn b\u1ed9 trong khung b\u1ea3o m\u1eadt v\u00e0 b\u1ea3o m\u1eadt tr\u00ecnh duy\u1ec7t web \u0111ang khi\u1ebfn nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng ch\u00e8n JSONP tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n. Khi c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 chuy\u1ec3n s\u1ef1 ch\u00fa \u00fd sang c\u00e1c giao th\u1ee9c li\u00ean l\u1ea1c m\u1edbi h\u01a1n, k\u00e9m an to\u00e0n h\u01a1n.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi vi\u1ec7c ch\u00e8n JSONP<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 khi duy\u1ec7t internet. Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c ch\u00e8n JSONP, m\u1ed9t m\u00e1y ch\u1ee7 proxy \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh t\u1ed1t c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1edbp ph\u00f2ng th\u1ee7 b\u1ed5 sung ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 v\u1eady. \u0110\u00e2y l\u00e0 c\u00e1ch c\u00e1c m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi vi\u1ec7c ch\u00e8n JSONP:<\/p>\n<ol>\n<li>\n<p><strong>Y\u00eau c\u1ea7u l\u1ecdc:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u1ea5u h\u00ecnh \u0111\u1ec3 l\u1ecdc c\u00e1c y\u00eau c\u1ea7u JSONP \u0111\u1ebfn v\u00e0 ch\u1eb7n c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed9c h\u1ea1i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c n\u1ed7 l\u1ef1c ti\u00eam JSONP ti\u1ebfp c\u1eadn trang web m\u1ee5c ti\u00eau.<\/p>\n<\/li>\n<li>\n<p><strong>Ki\u1ec3m tra ph\u1ea3n h\u1ed3i:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ph\u00e2n t\u00edch ph\u1ea3n h\u1ed3i JSONP \u0111\u1ec3 t\u00ecm b\u1ea5t k\u1ef3 d\u1ea5u hi\u1ec7u n\u00e0o c\u1ee7a vi\u1ec7c ti\u00eam m\u00e3 ho\u1eb7c t\u1ea3i tr\u1ecdng \u0111\u1ed9c h\u1ea1i. N\u1ebfu b\u1ecb ph\u00e1t hi\u1ec7n, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ch\u1eb7n ph\u1ea3n h\u1ed3i v\u00e0 b\u1ea3o v\u1ec7 ng\u01b0\u1eddi d\u00f9ng kh\u1ecfi t\u00e1c h\u1ea1i ti\u1ec1m t\u00e0ng.<\/p>\n<\/li>\n<li>\n<p><strong>Ch\u00ednh s\u00e1ch li\u00ean ngu\u1ed3n g\u1ed1c:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 th\u1ef1c thi c\u00e1c ch\u00ednh s\u00e1ch ngu\u1ed3n g\u1ed1c ch\u00e9o nghi\u00eam ng\u1eb7t, h\u1ea1n ch\u1ebf c\u00e1c mi\u1ec1n c\u00f3 th\u1ec3 g\u1eedi y\u00eau c\u1ea7u JSONP t\u1edbi trang web m\u1ee5c ti\u00eau. \u0110i\u1ec1u n\u00e0y gi\u1ea3m thi\u1ec3u nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng ti\u00eam JSONP.<\/p>\n<\/li>\n<\/ol>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 vi\u1ec7c ch\u00e8n JSONP v\u00e0 b\u1ea3o m\u1eadt web, h\u00e3y xem x\u00e9t truy c\u1eadp c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/owasp.org\/www-community\/attacks\/JSONP_Injection\" target=\"_new\" rel=\"noopener nofollow\">Ch\u00e8n JSONP c\u1ee7a OWASP<\/a><\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/Methods\/JSONP\" target=\"_new\" rel=\"noopener nofollow\">M\u1ea1ng l\u01b0\u1edbi nh\u00e0 ph\u00e1t tri\u1ec3n Mozilla (MDN) \u2013 JSONP<\/a><\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/CORS\" target=\"_new\" rel=\"noopener nofollow\">Chia s\u1ebb t\u00e0i nguy\u00ean \u0111a ngu\u1ed3n g\u1ed1c (CORS)<\/a><\/li>\n<li><a href=\"https:\/\/jwt.io\/\" target=\"_new\" rel=\"noopener nofollow\">M\u00e3 th\u00f4ng b\u00e1o Web JSON (JWT)<\/a><\/li>\n<li><a href=\"https:\/\/www.cloudflare.com\/learning\/cdn\/glossary\/proxy-server\/\" target=\"_new\" rel=\"noopener nofollow\">Gi\u1ea3i th\u00edch v\u1ec1 m\u00e1y ch\u1ee7 proxy<\/a><\/li>\n<\/ol>\n<p>B\u1eb1ng c\u00e1ch lu\u00f4n c\u1eadp nh\u1eadt th\u00f4ng tin v\u1ec1 c\u00e1c r\u1ee7i ro v\u00e0 bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c ch\u00e8n JSONP, nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean trang web c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt cho \u1ee9ng d\u1ee5ng web c\u1ee7a h\u1ecd v\u00e0 b\u1ea3o v\u1ec7 ng\u01b0\u1eddi d\u00f9ng kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda ti\u1ec1m \u1ea9n.<\/p>","protected":false},"featured_media":477750,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477749","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>JSONP Injection: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is JSONP injection?","answer":"<p>JSONP injection is a web security vulnerability that allows attackers to manipulate a website's JSONP endpoint to execute arbitrary code or steal sensitive data from users. It takes advantage of permissive JSONP requests, bypassing the same-origin policy that restricts cross-origin communication.<\/p>"},{"question":"How did JSONP injection originate?","answer":"<p>JSONP was introduced as a workaround for cross-origin communication challenges in early web development. The first mention of JSONP injection in a security context dates back to the mid-2000s when security researchers identified its potential risks.<\/p>"},{"question":"How does JSONP injection work?","answer":"<p>JSONP injection exploits JSONP's nature by dynamically creating script tags to load external JavaScript code from another domain. Attackers craft malicious URLs with callback functions that execute code on the victim's browser, gaining unauthorized access to data or performing actions on their behalf.<\/p>"},{"question":"What are the key features of JSONP injection?","answer":"<p>JSONP injection is characterized by its ability to enable cross-domain requests, client-side execution, and its lack of inherent security measures. This makes it both useful and vulnerable for website owners.<\/p>"},{"question":"What types of JSONP injection exist?","answer":"<p>There are two main types of JSONP injection: Data Access JSONP Injection, where attackers access sensitive data, and JavaScript Code Injection, where they inject malicious code to perform unauthorized actions.<\/p>"},{"question":"How can JSONP injection be used, and what are the related problems and solutions?","answer":"<p>JSONP injection can be used for data leakage and account takeover. To address this vulnerability, developers should implement proper validation, secure JSONP endpoints, and consider more modern alternatives like CORS and JSON Web Tokens.<\/p>"},{"question":"How does JSONP injection compare to similar terms?","answer":"<p>JSONP injection is distinct from Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF) in terms of its specific focus on JSONP requests and responses.<\/p>"},{"question":"What are the future perspectives and technologies related to JSONP injection?","answer":"<p>As web security evolves, developers are moving away from JSONP in favor of more secure communication techniques like CORS and JWT. Improved browser security and frameworks are also making it harder for attackers to exploit JSONP vulnerabilities.<\/p>"},{"question":"How are proxy servers associated with JSONP injection?","answer":"<p>Proxy servers can enhance security by filtering incoming JSONP requests, inspecting responses for malicious content, and enforcing strict cross-origin policies to prevent JSONP injection attacks.<\/p>"},{"question":"Where can I find more information about JSONP injection and web security?","answer":"<p>For more in-depth information about JSONP injection and web security, consider visiting the following resources:<\/p><ul><li><a href=\"https:\/\/owasp.org\/www-community\/attacks\/JSONP_Injection\" target=\"_new\">OWASP JSONP Injection<\/a><\/li><li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/Methods\/JSONP\" target=\"_new\">Mozilla Developer Network (MDN) - JSONP<\/a><\/li><li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/CORS\" target=\"_new\">Cross-Origin Resource Sharing (CORS)<\/a><\/li><li><a href=\"https:\/\/jwt.io\/\" target=\"_new\">JSON Web Tokens (JWT)<\/a><\/li><li><a href=\"https:\/\/www.cloudflare.com\/learning\/cdn\/glossary\/proxy-server\/\" target=\"_new\">Proxy Servers Explained<\/a><\/li><\/ul><p>Stay informed and protect yourself from potential threats with our comprehensive guide on JSONP injection at OneProxy!<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477749\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/477750"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}