From: Secunia Security Advisories (sec-advsecunia.com)
Date: Tue Dec 27 2005 - 10:32:12 CST

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TITLE:
CommonSpot "bNewWindow" Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA18257

VERIFY ADVISORY:
http://secunia.com/advisories/18257/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting, Exposure of system information

WHERE:
From remote

SOFTWARE:
CommonSpot 4.x
http://secunia.com/product/6682/

DESCRIPTION:
r0t has reported a vulnerability in CommonSpot, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed to the "bNewWindow" parameter in "loader.cfm" isn't
properly sanitised before being returned to the user. This can be
exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.

It is also possible to disclose the full path to "loader.cfm" by
accessing it with an invalid "url" parameter.

The vulnerability has been reported in version 4.5 and prior. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
r0t

ORIGINAL ADVISORY:
http://pridels.blogspot.com/2005/12/commonspot-content-server-vuln.html

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