MyBB 1.8.17 – Cross-Site Scripting
# 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 |