# Exploit Title: LayerBB 1.1.1 - Cross-Site Scripting# Date: 10/4/2018# Author: 0xB9# Twitter: @0xB9Sec# Contact: 0xB9[at]pm.me# Software Link: https://forum.layerbb.com/downloads.php?view=file&id=26# Version: 1.1.1# Tested on: Ubuntu 18.04# CVE: CVE-2018-179971. Description:
LayerBB is a free open-source forum software. The XSS found allows users to add a payload to the title of conversations (PMs).2. Proof of Concept:- Start a new conversation sending to any user (victim) you want
- Use a payload in the title<script>alert('XSS')</script>- Next time the user (victim) visits the site payload will execute
3. Solution:
Update to 1.1.2