Papoo CMS 6.0.0 Rev. 4701 - Stored XSS Vulnerability

Advisory: Persistent XSS Vulnerability in CMS Papoo Light v6
Author: Steffen Rösemann
Affected Software: CMS Papoo Version 6.0.0 Rev. 4701
Vendor URL: http://www.papoo.de/
Vendor Status: fixed
CVE-ID: -
 
==========================
Vulnerability Description:
==========================
 
The CMS Papoo Light Version has a persistent XSS vulnerability in its guestbook functionality and in its user-registration functionality.
 
==================
Technical Details:
==================
 
XSS-Vulnerability #1:
 
Papoo Light CMS v6 provides the functionality to post comments on a guestbook via the following url: http://{target-url}/guestbook.php?menuid=6.
 
The input fields with the id „author“ is vulnerable to XSS which gets stored in the database and makes that vulnerability persistent.
 
Payload-Examples:
 
<img src='n' onerror=“javascript:alert('XSS')“ >
<iframe src=“some_remote_source“></iframe>
 
XSS-Vulnerability #2:
 
People can register themselves on Papoo Light v6 CMS at http://{target-url}/account.php?menuid=2. Instead of using a proper username, an attacker can inject HTML and/or JavaScriptcode on the username input-field.
 
Code gets written to the database backend then. Attacker only has to confirm his/her e-mail address to be able to login and spread the code by posting to the forum or the guestbook where the username is displayed.
 
Payload-Examples:
 
see above (XSS #1)
 
=========
Solution:
=========
 
Update to the latest version
 
====================
Disclosure Timeline:
====================
13-Dec-2014 – found XSS #1
13-Dec-2014 - informed the developers (XSS #1)
14-Dec-2014 – found XSS #2
14-Dec-2014 – informed the developers (XSS #2)
15-Dec-2014 - release date of this security advisory
15-Dec-2014 - response and fix by vendor
15-Dec-2014 - post on BugTraq
 
========
Credits:
========
 
Vulnerability found and advisory written by Steffen Rösemann.
 
===========
References:
===========
 
http://www.papoo.de/
http://sroesemann.blogspot.de

#  0day.today [2018-03-10]  #