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Date: Mon, 06 Sep 2010 20:15:36 +0200
From: Jan Lieskovsky <>
To: "Steven M. Christey" <>
CC: oss-security <>,
        Moritz Naumann <>
Subject: CVE Request -- Horde v3.3.8 -- XSS in icon_browser.php due improper
 sanitization of 'subdir' URL parameter

Hello Steve, vendors,

   Moritz Naumann reported:

a deficiency in the way Horde framework sanitized user-provided
'subdir' parameter, when composing final path to the image file.
A remote, unauthenticated user could use this flaw to conduct
cross-site scripting attacks (execute arbitrary HTML or scripting
code) by providing a specially-crafted URL to the running
Horde framework instance.

Upstream patch:

Sample public URL by Moritz to demonstrate the issue:
   [3] [path_to_horde]/util/icon_browser.php?subdir=<body onload="alert('XSS')">&app=horde

Could you allocate CVE id for this issue?

Thanks && Regards, Jan.
Jan iankko Lieskovsky / Red Hat Security Response Team

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