# Exploit Title: MyBB 1.8.17 - Cross-Site Scripting# Date: 2018-08-11# Author: 0xB9# Twitter: @0xB9Sec# Contact: 0xB9[at]pm.me# Software Link: https://mybb.com/download/# Version: 1.8.17# Tested on: Ubuntu 18.04# CVE: CVE-2018-15596# 1. Description:# On the forum RSS Syndication page you can generate a URL for example... # http://localhost/syndication.php?fid=&type=atom1.0&limit=15, the thread titles on # those generated links aren't sanitized. # 2. Proof of Concept:- Make or find a thread of yours on the RSS feed
- Use this payload as the thread title<a href="https://google.com">Cool Thread Title</a>- View RSS feed with your thread again but with the generated URL and click on your thread
- When the thread is clicked you will be redirected to google.com