{"id":22561,"date":"2024-11-21T08:59:17","date_gmt":"2024-11-21T00:59:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22561\/"},"modified":"2024-11-21T08:59:17","modified_gmt":"2024-11-21T00:59:17","slug":"%e8%ae%b2%e8%a7%a3laravel%e8%be%93%e5%87%ba%e4%b8%8d%e8%bf%87%e6%bb%a4%e7%9a%84%e6%83%85%e5%86%b5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22561\/","title":{"rendered":"\u8bb2\u89e3Laravel\u8f93\u51fa\u4e0d\u8fc7\u6ee4\u7684\u60c5\u51b5"},"content":{"rendered":"

laravel\u662f\u4e00\u4e2a\u6781\u53d7\u6b22\u8fce\u7684php\u6846\u67b6\uff0c\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u5feb\u5730\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\u3002\u5728\u4e00\u4e2aweb\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5904\u7406\u548c\u8f93\u51fa\u7528\u6237\u8f93\u5165\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u4f46\u662f\u5728\u8f93\u51fa\u7528\u6237\u8f93\u5165\u65f6\uff0c\u5fc5\u987b\u975e\u5e38\u5c0f\u5fc3\u5730\u907f\u514d\u5b89\u5168\u6f0f\u6d1e\u3002\u8fd9\u7bc7\u6587\u7ae0\u5c06\u8bb2\u89e3laravel\u8f93\u51fa\u4e0d\u8fc7\u6ee4\u7684\u60c5\u51b5\uff0c\u4ee5\u53ca\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u65b9\u6cd5\u3002<\/p>\n

\u4ec0\u4e48\u662fLaravel\u8f93\u51fa\u4e0d\u8fc7\u6ee4<\/h2>\n

\u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u4f7f\u7528 echo \u8bed\u53e5\u6216 {{ }} \u8bed\u6cd5\u6765\u8f93\u51fa\u53d8\u91cf\u7684\u503c\u3002\u4f46\u662f\u6709\u65f6\u5019\uff0c\u5f53\u6211\u4eec\u8f93\u51fa\u7528\u6237\u8f93\u5165\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\uff0c\u5c31\u5f88\u5bb9\u6613\u4ea7\u751f\u5b89\u5168\u6f0f\u6d1e\u3002\u5728\u672a\u7ecf\u8fc7\u6ee4\u7684\u60c5\u51b5\u4e0b\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528XSS\uff08\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff09\u6765\u83b7\u53d6\u7528\u6237\u7684\u654f\u611f\u4fe1\u606f\u3002<\/p>\n

\u4f8b\u5982\uff0c\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5:<\/p>\n

$name = $_GET['name'];\necho \"\u4f60\u597d\uff0c\" . $name;<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4f7f\u7528\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u5982\u679c\u4e00\u4e2a\u6076\u610f\u7528\u6237\u5728\u7f51\u5740\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
?name=<script>alert('\u60a8\u7684\u5bc6\u7801\u5df2\u88ab\u76d7\uff01');<\/script><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u90a3\u4e48\u5c06\u663e\u793a\u4e00\u4e2a\u5305\u542b\u653b\u51fb\u811a\u672c\u7684\u5f39\u51fa\u6846\uff0c\u63d0\u793a\u7528\u6237\u5176\u5bc6\u7801\u5df2\u88ab\u76d7\u3002\u8fd9\u5f88\u660e\u663e\u662f\u4e00\u4e2a\u5b89\u5168\u6f0f\u6d1e\uff0c\u4f46\u53ef\u80fd\u5f88\u96be\u88ab\u53d1\u73b0\u3002<\/p>\n
\u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u7c7b\u4f3c\u4e0a\u9762\u7684\u6f0f\u6d1e\u540c\u6837\u5b58\u5728\u3002\u5373\u4f7f\u60a8\u5bf9\u8f93\u5165\u8fdb\u884c\u4e86\u8fc7\u6ee4\uff0c\u4f46\u5982\u679c\u60a8\u6ca1\u6709\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\uff0c\u5c31\u4f1a\u4ea7\u751f\u4e0d\u8fc7\u6ee4\u7684\u8f93\u51fa\u3002<\/p>\n
\u5982\u4f55\u89e3\u51b3Laravel\u8f93\u51fa\u4e0d\u8fc7\u6ee4\u7684\u95ee\u9898<\/h2>\n
\u4e3a\u4e86\u89e3\u51b3Laravel\u7684\u8f93\u51fa\u4e0d\u8fc7\u6ee4\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n
1. \u4f7f\u7528Laravel\u7684Blade\u6a21\u677f\u5f15\u64ce<\/h3>\n
Laravel\u63d0\u4f9b\u4e86\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684Blade\u6a21\u677f\u5f15\u64ce\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\uff0c\u4ece\u800c\u4fdd\u62a4\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u4e0d\u4f1a\u53d7\u5230XSS\u653b\u51fb\u3002\u4f8b\u5982\uff0c\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\uff1a<\/p>\n
@extends('layouts.app')\n\n@section('content')\n<div>\n    <p>{{ $name }}<\/p>\n<\/div>\n@endsection<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u8fd9\u4e2a\u7b80\u5355\u7684\u6a21\u677f\u4e2d\uff0cBlade\u6a21\u677f\u5f15\u64ce\u81ea\u52a8\u5bf9 $name \u53d8\u91cf\u7684\u503c\u8fdb\u884c\u4e86HTML\u7f16\u7801\uff0c\u4ece\u800c\u9632\u6b62\u4e86\u4efb\u4f55XSS\u653b\u51fb\u3002\u4f7f\u7528Blade\u6a21\u677f\u5f15\u64ce\u53ef\u4ee5\u83b7\u5f97\u81ea\u52a8\u8fc7\u6ee4\u8f93\u51fa\u7684\u4fdd\u62a4\uff0c\u4ece\u800c\u786e\u4fdd\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u66f4\u52a0\u5b89\u5168\u3002<\/p>\n
2. \u624b\u52a8\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4<\/h3>\n
\u5982\u679c\u60a8\u4e0d\u60f3\u4f7f\u7528Blade\u6a21\u677f\u5f15\u64ce\uff0c\u6216\u8005\u60a8\u9700\u8981\u5728\u4ee3\u7801\u4e2d\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\uff0c\u90a3\u4e48\u60a8\u53ef\u4ee5\u624b\u52a8\u6267\u884c\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\u7684\u64cd\u4f5c\u3002Laravel\u63d0\u4f9b\u4e86\u7b80\u5355\u6613\u7528\u7684\u8f85\u52a9\u51fd\u6570\u6765\u5b8c\u6210\u8fd9\u4e2a\u4efb\u52a1\uff0c\u5982 e() \u548c htmlspecialchars()\u3002<\/p>\n
\u4f8b\u5982\uff0c\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\uff1a<\/p>\n
$name = $_GET['name'];\necho \"\u4f60\u597d\uff0c\". e($name);<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4f7f\u7528 e() \u51fd\u6570\u81ea\u52a8\u5bf9 $name \u53d8\u91cf\u7684\u503c\u8fdb\u884c\u4e86HTML\u7f16\u7801\uff0c\u4ece\u800c\u9632\u6b62XSS\u653b\u51fb\u3002\u5982\u679c\u60a8\u9700\u8981\u8fdb\u884c\u66f4\u591a\u7684\u8fc7\u6ee4\uff0c\u53ef\u4ee5\u4f7f\u7528 htmlspecialchars() \u51fd\u6570\u6765\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u53c2\u6570\u3002<\/p>\n
3. \u9075\u5faaLaravel\u6700\u4f73\u5b9e\u8df5<\/h3>\n
\u6700\u540e\uff0c\u786e\u4fdd\u60a8\u9075\u5faaLaravel\u6700\u4f73\u5b9e\u8df5\uff0c\u4f8b\u5982\u4f7f\u7528 csrf_token() \u51fd\u6570\u6765\u4fdd\u62a4\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u4ee5\u514d\u906d\u53d7CSRF\u653b\u51fb\u3002\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u63a8\u8350\u9605\u8bfbLaravel\u6587\u6863\u5e76\u9075\u5faaLaravel\u6700\u4f73\u5b9e\u8df5\uff0c\u4ee5\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u6027\u3002<\/p>\n
\u7ed3\u8bba<\/h2>\n
\u672a\u7ecf\u8fc7\u6ee4\u7684\u8f93\u51fa\u662f\u4e00\u4e2a\u5e38\u89c1\u7684Web\u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u6f0f\u6d1e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4efb\u610f\u7f16\u8f91\u5668\u8fdb\u884c\u653b\u51fb\u5e76\u4e14\u96be\u4ee5\u68c0\u6d4b\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u4e9b\u65b9\u6cd5\u6765\u89e3\u51b3Laravel\u8f93\u51fa\u4e0d\u8fc7\u6ee4\u7684\u95ee\u9898\uff0c\u5305\u62ec\u4f7f\u7528Blade\u6a21\u677f\u5f15\u64ce\u3001\u624b\u52a8\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\u548c\u9075\u5faaLaravel\u6700\u4f73\u5b9e\u8df5\u3002\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u786e\u4fdd\u60a8\u7684Laravel\u5e94\u7528\u7a0b\u5e8f\u4e0d\u53d7XSS\u653b\u51fb\u7684\u5a01\u80c1\uff0c\u5e76\u5e2e\u52a9\u4f7f\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u66f4\u52a0\u5b89\u5168\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u8bb2\u89e3Laravel\u8f93\u51fa\u4e0d\u8fc7\u6ee4\u7684\u60c5\u51b5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
laravel\u662f\u4e00\u4e2a\u6781\u53d7\u6b22\u8fce\u7684php\u6846\u67b6\uff0c\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u5feb\u5730\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\u3002\u5728\u4e00\u4e2aweb\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5904\u7406\u548c\u8f93\u51fa\u7528\u6237\u8f93\u5165\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u4f46\u662f\u5728\u8f93\u51fa\u7528\u6237\u8f93\u5165\u65f6\uff0c\u5fc5\u987b\u975e\u5e38\u5c0f\u5fc3\u5730\u907f\u514d\u5b89\u5168\u6f0f\u6d1e\u3002\u8fd9\u7bc7\u6587\u7ae0\u5c06\u8bb2\u89e3laravel\u8f93\u51fa\u4e0d\u8fc7\u6ee4\u7684\u60c5\u51b5\uff0c\u4ee5\u53ca\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u65b9\u6cd5\u3002 \u4ec0\u4e48\u662fLaravel\u8f93\u51fa\u4e0d\u8fc7\u6ee4 \u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u4f7f\u7528 echo \u8bed\u53e5\u6216 {{ }} \u8bed\u6cd5\u6765\u8f93\u51fa\u53d8\u91cf\u7684\u503c\u3002\u4f46\u662f\u6709\u65f6\u5019\uff0c\u5f53\u6211\u4eec\u8f93\u51fa\u7528\u6237\u8f93\u5165\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\uff0c\u5c31\u5f88\u5bb9\u6613\u4ea7\u751f\u5b89\u5168\u6f0f\u6d1e\u3002\u5728\u672a\u7ecf\u8fc7\u6ee4\u7684\u60c5\u51b5\u4e0b\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528XSS\uff08\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff09\u6765\u83b7\u53d6\u7528\u6237\u7684\u654f\u611f\u4fe1\u606f\u3002 \u4f8b\u5982\uff0c\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5: $name = $_GET[‘name’]; echo “\u4f60\u597d\uff0c” . $name; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u5982\u679c\u4e00\u4e2a\u6076\u610f\u7528\u6237\u5728\u7f51\u5740\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a ?name=<script>alert(‘\u60a8\u7684\u5bc6\u7801\u5df2\u88ab\u76d7\uff01’);<\/script> \u767b\u5f55\u540e\u590d\u5236 \u90a3\u4e48\u5c06\u663e\u793a\u4e00\u4e2a\u5305\u542b\u653b\u51fb\u811a\u672c\u7684\u5f39\u51fa\u6846\uff0c\u63d0\u793a\u7528\u6237\u5176\u5bc6\u7801\u5df2\u88ab\u76d7\u3002\u8fd9\u5f88\u660e\u663e\u662f\u4e00\u4e2a\u5b89\u5168\u6f0f\u6d1e\uff0c\u4f46\u53ef\u80fd\u5f88\u96be\u88ab\u53d1\u73b0\u3002 \u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u7c7b\u4f3c\u4e0a\u9762\u7684\u6f0f\u6d1e\u540c\u6837\u5b58\u5728\u3002\u5373\u4f7f\u60a8\u5bf9\u8f93\u5165\u8fdb\u884c\u4e86\u8fc7\u6ee4\uff0c\u4f46\u5982\u679c\u60a8\u6ca1\u6709\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\uff0c\u5c31\u4f1a\u4ea7\u751f\u4e0d\u8fc7\u6ee4\u7684\u8f93\u51fa\u3002 \u5982\u4f55\u89e3\u51b3Laravel\u8f93\u51fa\u4e0d\u8fc7\u6ee4\u7684\u95ee\u9898 \u4e3a\u4e86\u89e3\u51b3Laravel\u7684\u8f93\u51fa\u4e0d\u8fc7\u6ee4\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a 1. \u4f7f\u7528Laravel\u7684Blade\u6a21\u677f\u5f15\u64ce Laravel\u63d0\u4f9b\u4e86\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684Blade\u6a21\u677f\u5f15\u64ce\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\uff0c\u4ece\u800c\u4fdd\u62a4\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u4e0d\u4f1a\u53d7\u5230XSS\u653b\u51fb\u3002\u4f8b\u5982\uff0c\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\uff1a @extends(‘layouts.app’) @section(‘content’) <div> <p>{{ $name }}<\/p> <\/div> @endsection \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u7b80\u5355\u7684\u6a21\u677f\u4e2d\uff0cBlade\u6a21\u677f\u5f15\u64ce\u81ea\u52a8\u5bf9 $name \u53d8\u91cf\u7684\u503c\u8fdb\u884c\u4e86HTML\u7f16\u7801\uff0c\u4ece\u800c\u9632\u6b62\u4e86\u4efb\u4f55XSS\u653b\u51fb\u3002\u4f7f\u7528Blade\u6a21\u677f\u5f15\u64ce\u53ef\u4ee5\u83b7\u5f97\u81ea\u52a8\u8fc7\u6ee4\u8f93\u51fa\u7684\u4fdd\u62a4\uff0c\u4ece\u800c\u786e\u4fdd\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u66f4\u52a0\u5b89\u5168\u3002 2. \u624b\u52a8\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4 \u5982\u679c\u60a8\u4e0d\u60f3\u4f7f\u7528Blade\u6a21\u677f\u5f15\u64ce\uff0c\u6216\u8005\u60a8\u9700\u8981\u5728\u4ee3\u7801\u4e2d\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\uff0c\u90a3\u4e48\u60a8\u53ef\u4ee5\u624b\u52a8\u6267\u884c\u5bf9\u8f93\u51fa\u8fdb\u884c\u8fc7\u6ee4\u7684\u64cd\u4f5c\u3002Laravel\u63d0\u4f9b\u4e86\u7b80\u5355\u6613\u7528\u7684\u8f85\u52a9\u51fd\u6570\u6765\u5b8c\u6210\u8fd9\u4e2a\u4efb\u52a1\uff0c\u5982 e() \u548c htmlspecialchars()\u3002 \u4f8b\u5982\uff0c\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\uff1a $name = $_GET[‘name’]; echo “\u4f60\u597d\uff0c”. e($name); \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 e() […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-22561","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22561","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=22561"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22561\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}