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@hotmail.com <mailto:b_naamneh@hotmail.com>
<http://www.bsecurity.tk>