# Exploit Title: MyBB New Threads Plugin - Cross-Site Scripting# Date: 7/16/2018# Author: 0xB9# Twitter: @0xB9Sec# Contact: 0xB9[at]pm.me# Software Link: https://community.mybb.com/mods.php?action=view&pid=1143# Version: 1.1# Tested on: Ubuntu 18.04# CVE: CVE-2018-143921. Description:
New Threads is a plugin that displays new threads on the index page. The thread titles allow XSS.2. Proof of Concept:- Create a new thread with the following subject<script>alert('XSS')</script>- Visit the index page to see alert.3. Solution:
Update to 1.2