XDCMS企业管理系统SQL注入#4

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发布: 2025-04-13
修订: 2025-04-13

### 简要描述: 最新版XDCMS企业管理系统,由于过滤不严,可绕过限制,导致SQL注入 ### 详细说明: 注入在XDCMS企业管理系统的后台登录功能处,来看看\system\modules\xdcms\login.php文件: ``` public function check(){ $username = safe_html($_POST['username']);//获取UserName,使用safe_html函数进行过滤 $password = safe_html($_POST['password']); $verifycode = safe_html($_POST['verifycode']); if(empty($username)||empty($password)){ showmsg(C('user_pass_empty'),'-1'); } if($verifycode!=$_SESSION['code']){ showmsg(C('verifycode_error'),'-1'); } $sql="select * from ".DB_PRE."admin where `username`='$username'";//这里讲UserName带人sql语句中 if($this->mysql->num_rows($sql)==0){ showmsg(C('user_not_exist'),'-1'); } $rs=$this->mysql->get_one($sql); $password=password($password,$rs['encrypt']); if($password!=$rs['password']){ showmsg(C('password_error'),'-1'); } if($rs['is_lock']==1){ showmsg(C('user_lock'),'-1'); } $logins=$rs["logins"]+1; $ip=safe_replace(safe_html(getip()));...

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