PHPMyFAQ 2.9.8 - Cross-Site Scripting

EDB-ID: 42761
Author: Ishaq Mohammed
Published: 2017-09-21
CVE: CVE-2017-14618
Type: Webapps
Platform: PHP
Vulnerable App: Download Vulnerable Application

 # Vendor Homepage: http://www.phpmyfaq.de/ 
# Software Link: http://download.phpmyfaq.de/phpMyFAQ-2.9.8.zip
# Exploit Author: Ishaq Mohammed
# Contact: https://twitter.com/security_prince
# Website: https://about.me/security-prince
# Category: webapps
# CVE: CVE-2017-14618

1. Description

Cross-site scripting (XSS) vulnerability in inc/PMF/Faq.php in phpMyFAQ
through 2.9.8 allows remote attackers to inject arbitrary web script or
HTML via the Questions field in an "Add New FAQ" action.

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14618

2. Proof of Concept

Steps to Reproduce:

1. Open the affected link "
http://localhost/phpmyfaq/admin/?action=editentry" with logged in user
with administrator privileges
2. Enter the <a onmouseover=alert(document.cookie)>xss link</a> in the
“Questions”
3. Save the FAQ
4. Login using any other user or simply click on the phpMyFAQ on the
top-right hand side of the web portal
5. Click on the latest FAQ added
6. Hover around the name "xss link"


3. Solution:

The issue is now patched by the vendor
https://github.com/thorsten/phpMyFAQ/commit/30b0025e19bd95ba28f4eff4d259671e7bb6bb86

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