Thread-IT Message Board XSS Vulnerability

From: Bahaa Naamneh <b_naamneh_at_hotmail.com>
Date: 24 Sep 2003 20:45:29 -0000

('binary' encoding is not supported, stored as-is) Thread-IT Message Board XSS Vulnerability


Published: 24 September 2003

Released: 24 September 2003

Affected Systems: Thread-IT Message Board

Vendor: http://www.ymonda.co.uk

Issue: Remote attackers can inject XSS script.



Description:
============

"Thread-IT is a simple message board product that uses classic ASP scripts and an Access database. Installation of this product is simple even for people that have no ASP scripting experience."


Details:
========
 
It's possibile to inject XSS script in the Topic Title, Name and Message fields.

Examples:

">&lt;script&gt; this code will hide every thing after it including the the board topics if any attacker write it in the topic title.

&lt;script&gt;windows.open("URL");&lt;/script&gt; this code will open a new window when the board loaded.



Solution:
=========

The vendor has been contacted and a patch is not yet produced.



Suggestions:
============

Filter all variables.



Discovered by / credit:
=======================

Bahaa Naamneh
b_naamneh_at_hotmail.com
http://www.bsecurity.tk
Received on Sep 24 2003