cmseasy 存储型XSS一枚(无需登录无视360)

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发布: 2025-04-13
修订: 2025-04-13

### 简要描述: 信pandas出真相! ### 详细说明: cmseasy在bbs中回帖处允许非登录用户回帖,但取用户名的时候又是从COOKIE中取的,导致了安全问题: /bbs/ajax.php ``` <?php require_once 'bbs_public.php'; if(!defined('ROOT')) exit('can\'t access!'); //暂时允许用户未登录评论! //验证用户登陆相关操作 //$admin = new action_admin(); if(isset($_POST['reply'])){ if(!isset($_POST['verify']) || strtolower(trim($_POST['verify'])) != strtolower($_SESSION['verify'])){ echo -1; //输入-1表示验证码输入错误! //exit(); } $data = array(); $_POST['content'] = unescape($_POST['content']); $_POST['content'] = xss_clean($_POST['content']); $data['aid'] = isset($_POST['aid']) ? intval($_POST['aid']) : exit(0); $data['tid'] = isset($_POST['tid']) ? intval($_POST['tid']) : 0; $data['content'] = isset($_POST['content']) ? $_POST['content'] : exit(0); $data['username'] = isset($_COOKIE['username']) ? $_COOKIE['username'] : ''; //$data['userid'] = $admin->userid; $data['addtime'] = mktime(); $data['ip'] = $_SERVER['REMOTE_ADDR']; $reply = db_bbs_reply::getInstance(); $r = $reply->inserData($data); ```...

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