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vendor:
MyBB
by:
0xB9
6.1
CVSS
MEDIUM
Cross-Site Scripting
79
CWE
Product Name: MyBB
Affected Version From: 1.1
Affected Version To: 1.1
Patch Exists: YES
Related CWE: CVE-2018-14392
CPE: 2.3:a:mybb:mybb:1.1
Metasploit: N/A
Other Scripts: N/A
Platforms Tested: Ubuntu 18.04
2018

MyBB New Threads Plugin – Cross-Site Scripting

New Threads is a plugin that displays new threads on the index page. The thread titles allow XSS. Proof of Concept: Create a new thread with the following subject <script>alert('XSS')</script> Visit the index page to see alert.

Mitigation:

Update to 1.2 or later.
Source

Exploit-DB raw data:

# Exploit Title: MyBB New Threads Plugin - Cross-Site Scripting
# Date: 7/16/2018
# Author: 0xB9
# Twitter: @0xB9Sec
# Contact: 0xB9[at]pm.me
# Software Link: https://community.mybb.com/mods.php?action=view&pid=1143
# Version: 1.1
# Tested on: Ubuntu 18.04
# CVE: CVE-2018-14392


1. Description:
New Threads is a plugin that displays new threads on the index page. The thread titles allow XSS.
 

2. Proof of Concept:

- Create a new thread with the following subject  <script>alert('XSS')</script>
- Visit the index page to see alert.


3. Solution:
Update to 1.2

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