Wordpress Audio Player v2.0b6 - Web Vulnerability

Document Title:
===============
Wordpress Audio Player v2.0b6 - Web Vulnerability



Release Date:
=============
2011-07-21


Vulnerability Laboratory ID (VL-ID):
====================================
84


Product & Service Introduction:
===============================
Wordpress Audio Player Plugin/Addon ...

    * Added a volume control
    * Opening another player closes any other players and pauses the download (clicking the pause button doesn’t stop the download)
    * The width of the player is now configurable (the height stays fixed)
    * Added next and previous buttons when used with multiple tracks
    * Track information can now be passed in as flash variables (bypasses ID3 tags)
    * Improved communication between multiple instances of the player (also synchronises volume between instances)
    * Right to left (RTL) layout switch for Hebrew and Arabic languages

    * Revamped the admin panel to fit with the new WordPress 2.x.x theme
    * Added a colour picker for customising the player’s appearance (this includes a special picker to select colours from your blog’s stylesheet)
    * Added ‘reset colour scheme’ option
    * Added ‘initial volume’ option
    * Added ‘buffer time’ option
    * Added ‘url encoding’ option
    * Added multi-lingual support (French translation is included

    * Added an Audio Player button in the new WP 2.5 Media Library
    * The plugin now uses a better system to embed the flash player (uses swfobject 2.1)
    * The plugin can now be enabled in comments

(Copy of the Vendor Homepage: http://wpaudioplayer.com/support)


Abstract Advisory Information:
==============================
Vulnerability-Lab Team discovered a persistent Vulnerability on WordPress Audio Player Plugin/Addon.


Vulnerability Disclosure Timeline:
==================================
2011-00-00:	Vendor Notification
2011-00-00:	Vendor Response/Feedback
2011-00-00:	Vendor Fix/Patch
2011-00-00:	Public or Non-Public Disclosure


Discovery Status:
=================
Published


Affected Product(s):
====================

Exploitation Technique:
=======================
Remote


Severity Level:
===============
Medium


Technical Details & Description:
================================
An Input Validation Vulnerability is detected on the new WorPress AudioPlayer Plugin/Addon. The vulnerability 
allows a local restricted account or a remote attacker to implement malicious persistent script codes.

Vulnerable Module(s):
			                      [+] Feed Options (Custom alternate Content)


Pictures:
			../wp-ap1.png
			../wp-ap2.png


Proof of Concept (PoC):
=======================
The vulnerability can be exploited by local restricted user accounts or remote attackers. For demonstration or reproduce ...

How to reproduce manually ...?

1. Drop the Plugin in pentest-website.com\httpdocs\news\wp-content\plugins\[Audio-Player-Path]\
2. Activate the Plugin after installation
3. Insert any script code (JS;PHP) on "Feed Options" in the "Custom alternate Content" input fields
4. Execute & its included persistent on application-side.
5. Enjoy! Thanks


Security Risk:
==============
Attackers can include malicious persistent script codes on application-side to manipulate specific requests & can hijack 
customer/admin sessions. The security risk of the vulnerability is estimated as medium because of the persistent attack vector.


Credits & Authors:
==================
Vulnerability Research Laboratory


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=========================
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