MyBB OUGC Awards Plugin v1.8.3 - Cross-Site Scripting

vendor:

MyBB OUGC Awards Plugin

by:

0xB9

4.8

CVSS

MEDIUM

Cross-Site Scripting

CWE

Product Name: MyBB OUGC Awards Plugin

Affected Version From: 1.8.3

Affected Version To: 1.8.18

Patch Exists: YES

Related CWE: CVE-2019-3501

CPE: 2.3:a:mybb:mybb:1.8.3

Metasploit: N/A

Other Scripts: N/A

Platforms Tested: Ubuntu 18.04

2018

MyBB OUGC Awards Plugin v1.8.3 – Cross-Site Scripting

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. 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.

Mitigation:

Update to 1.8.19 or higher

Source

Exploit-DB raw data:

# 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