bugtraq - phpbb 2.0.x [xss]

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Message-ID: <20061207181036.20172.qmail@securityfocus.com>
Date: 7 Dec 2006 18:10:36 -0000
From: saps.audit@...il.com
To: bugtraq@...urityfocus.com
Subject: phpbb 2.0.x [xss]

vendor site:http://phpbb.com/
product:phpbb
bug:xss
risk:low

A xss post has been discovered in phpbb ,the impact of this attack is very low ,because it's more a bug , than a vulnerability .
An authentificated user can excute some html code in his private message box , by sending a message to an inexistant user .

here's a proof of concept about this xss :
- log in
- get in your private message box
- send a message to someone who doesn't exist with the following message :
</textarea>'"><script>alert(document.cookie)</script>

laurent gaffié 
contact: saps.audit@...il.com