bugtraq - Comment Board XSS Vulnerability

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Message-ID: <20030924204320.2399.qmail@sf-www1-symnsj.securityfocus.com>
Date: 24 Sep 2003 20:43:20 -0000
From: Bahaa Naamneh <b_naamneh@...mail.com>
To: bugtraq@...urityfocus.com
Subject: Comment Board XSS Vulnerability

Comment Board XSS Vulnerability

Published: 24 September 2003

Released: 24 September 2003

Affected Systems: Comment Board

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

Issue: Remote attackers can inject XSS script. 

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

"Comment Board works straight away with little or no configuration required and 
provides a wealth of exciting features that will keep your web site visitors 
coming back for more. Check out our online demo and try a free downloadable 
version now."

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@...mail.com
http://www.bsecurity.tk