full-disclosure - XSS in 12Planet Chat Server 2.9

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Message-ID: <20040705075621.3778723F8E@chernobyl.investici.org>
From: fdonato at autistici.org (Donato Ferrante)
Subject: XSS in 12Planet Chat Server 2.9

                           Donato Ferrante


Application:  12Planet Chat Server
              http://www.12planet.com

Version:      2.9

Bug:          cross site scripting

Date:         05-Jul-2004

Author:       Donato Ferrante
              e-mail: fdonato@...istici.org
              web:    www.autistici.org/fdonato



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1. Description
2. The bug
3. The code
4. The fix



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----------------
1. Description:
----------------

Vendor's Description:

"The #1 Professional Chat Server Software, bringing instant
communication into web sites, intranet and extranet portals:
setup your community chat rooms, organize celebrity chat events,
collaborative work sessions or online meetings."



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2. The bug:
------------

The input strings, into some field, are not filtered by the server so
they will appear in the returned page. 



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3. The code:
-------------

To test the vulnerability:

http://[host]:8080/servlet/one2planet.infolet.InfoServlet?
page=<script>alert("hy")</script>

( all on the same line )



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4. The fix:
------------

No fix.
The vendor has not answered to my signalations.



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