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MyBB OUGC Awards 1.8.3 Cross Site Scripting

MyBB OUGC Awards 1.8.3 Cross Site Scripting
Posted Jan 7, 2019
Authored by 0xB9

MyBB OUGC Awards plugin version 1.8.3 suffers from a cross site scripting vulnerability.

tags | exploit, xss
advisories | CVE-2019-3501
MD5 | aafeaac768d286f9cd69148f66e42f7c

MyBB OUGC Awards 1.8.3 Cross Site Scripting

Change Mirror Download
# Exploit Title: MyBB OUGC Awards Plugin v1.8.3 - Cross-Site Scripting
# Date: 12/31/2018
# Author: 0xB9
# Twitter: @0xB9Sec
# Contact: 0xB9[at]pm.me
# Software Link: https://community.mybb.com/mods.php?action=view&pid=396
# Version: 1.8.3
# Tested on: Ubuntu 18.04
# CVE: CVE-2019-3501


1. Description:
OUGC Awards plugin for MyBB forum allows admins and moderators to grant awards to users which displays on profiles/posts. The reason input isn't sanitized on awards page and user profiles.


2. Proof of Concept:

- Have a mod account level or higher
- Go to Manage Awards in ModCP
- Give an award to a user and input payload for reason <script>alert('XSS')</script>

- Payload executes when viewing award on awards.php and user profiles.


3. Solution:
Update to 1.8.19

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