Published on March 12th, 2021 📆 | 2438 Views ⚑

MyBB OUGC Feedback 1.8.22 Cross Site Scripting ≈ Packet Storm

MyBB OUGC Feedback 1.8.22 Cross Site Scripting: Posted Mar 11, 2021; Authored by 0xB9; MyBB OUGC Feedback plugin version 1.8.22 suffers from a cross site scripting vulnerability.; tags | exploit, xss; advisories | CVE-2021-28115; MD5 | 072b6a57ff8ba5bb59ba7f076c831afe; Download | Favorite | View

# Exploit Title: MyBB OUGC Feedback Plugin 1.8.22 - Cross-Site Scripting
# Date: 1/30/2021
# Author: 0xB9
# Twitter: @0xB9Sec
# Contact: 0xB9[at]pm.me
# Software Link: https://community.mybb.com/mods.php?action=view&pid=1220
# Version: 1.8.22
# Tested on: Windows 10
# CVE: CVE-2021-281151. Description:
This plugin adds a feedback system to your forum. Edit feedback button is vulnerable to XSS.
2. Proof of Concept:
- Go to a user profile
- Add feedback and leave the following payload as comment   ">
- View the feedback feedback.php?uid=2 
- When clicking Edit payload will execute