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vendor:
MyBB Like Plugin
by:
0xB9
3.1
CVSS
MEDIUM
Cross-Site Scripting
79
CWE
Product Name: MyBB Like Plugin
Affected Version From: 3.0.0
Affected Version To: 3.0.0
Patch Exists: NO
Related CWE: N/A
CPE: 2.3:a:mybb:mybb_like_plugin:3.0.0
Metasploit: N/A
Other Scripts: N/A
Platforms Tested: Ubuntu 18.04
2018

MyBB Like Plugin 3.0.0 – Cross-Site Scripting

This plugin allows users to thank/like other users threads/posts. In user profiles it shows your most liked post/thread, the post/thread subjects aren't sanitized to user input. To exploit this vulnerability, use the following as the post/thread subject <script>alert('XSS')</script> and get that post/thread liked by another user (or you). Visit your profile to see alert.

Mitigation:

Sanitize user input to prevent Cross-Site Scripting attacks.
Source

Exploit-DB raw data:

# Exploit Title: MyBB Like Plugin 3.0.0 - Cross-Site Scripting
# Date: 2018-08-01
# Author: 0xB9
# Twitter: @0xB9Sec
# Software Link: https://community.mybb.com/mods.php?action=view&pid=360
# Version: 3.0.0
# Tested on: Ubuntu 18.04
# CVE: N/A

# 1. Description:
# This plugin allows users to thank/like other users threads/posts. 
# In user profiles it shows your most liked post/thread, the post/thread 
# subjects aren't sanitized to user input.
 
# 2. Proof of Concept:

- Use the following as the post/thread subject  <script>alert('XSS')</script>
- Get that post/thread liked by another user (or you)
- Visit your profile to see alert.

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