Re: Phorum 3.4 Cross Site Scripting

[Brian Moon <brian@phorum.org>]

In-Reply-To: <20030402131944.18760.qmail@www.securityfocus.com>

FYI, the versions prior to 3.4 did not have this problem.

Brian.
Phorum Dev Team

>From: Peter "Stöckli" <pcs@pcsmedia.net>
>To: bugtraq@securityfocus.com
>Subject: Phorum 3.4 Cross Site Scripting
>
>
>
>Description:
>It is possible to insert javascript code in a message
and execute it.
>
>1.) go to a phorum
>2.) click on new topic
>3.) enter any name
>4.) enter any email
>5.) enter a title in the way like this
">&lt;script&gt;alert
>("Vulnerable");&lt;/script&gt;
>6.) enter any text
>7.) click the preview button
>8.) click the send button on the top of the page
>
>Solution:
>Edit the source code to strip malicious characters
from title or escape 
>malicious characters using addslashes().
>