TUCoPS :: HP Unsorted J :: b1a-1060.htm

TUCoPS :: HP Unsorted J :: b1a-1060.htm
JComments, Joomla XSS vulnerability

XSS vulnerability in JComments, Joomla XSS vulnerability in JComments, Joomla


Vulnerability ID: HTB22368
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_jcomments_joomla.html 
Product: JComments
Vendor: JoomlaTune .com
Vulnerable Version: 2.1.0.0  [07/08/2009] and Probably Prior Versions
Vendor Notification: 04 May 2010 
Vulnerability Type: XSS (Cross Site Scripting)
Status: Fixed by Vendor
Risk level: Medium 
Credit: High-Tech Bridge SA (http://www.htbridge.ch/) 

Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application. 

The vulnerability exists due to failure in the "admin.jcomments.php" script to properly sanitize user-supplied input in "name" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.

An attacker can use browser to exploit this vulnerability. The following PoC is available:

action="http://joomla/administrator/index.php" name="main"> 

value="example@example.com"> 








Solution: Upgrade to the most recent verison