# Exploit Title: MyBB Thank You/Like Plugin 3.0.0 - Cross-Site Scripting# Date: 8/1/2018# Author: 0xB9# Twitter: @0xB9Sec# Contact: 0xB9[at]pm.me# Software Link: https://community.mybb.com/mods.php?action=view&pid=360# Version: 3.0.0# Tested on: Ubuntu 18.04# CVE: CVE-2018-148881. Description:
This plugin allows users to thank/like other users threads/posts. In user profiles it shows your most liked post/thread, the post/thread subjects aren't sanitized to user input.2. Proof of Concept:- Use the following as the post/thread subject<script>alert('XSS')</script>- Get that post/thread liked by another user (or you)- Visit your profile to see alert.3. Solution:
Update to v3.1.0