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Date: Sat, 15 May 2010 23:59:05 +0300
From: "MustLive" <>
To: <>
Subject: Vulnerability in 3D user cloud for Joomla

Hello Full-Disclosure!

I want to warn you about security vulnerability in module 3D user cloud for

Advisory: Vulnerability in 3D user cloud for Joomla
Affected product: all versions of 3D user cloud (mod_democbusr3dcloud,
mod_cbusr3dcloud and mod_usr3dcloud) for Joomla.

10.05.2010 - found vulnerability.
14.05.2010 - disclosed at my site.
15.05.2010 - informed developers.

This is Cross-Site Scripting vulnerability.

This XSS is similar to XSS vulnerability in WP-Cumulus and other web
applications which I already reported to security mailing lists, because
it's using tagcloud.swf made by author of WP-Cumulus. About millions of
flash files tagcloud.swf which are vulnerable to XSS attacks I mentioned in
my article XSS vulnerabilities in 34 millions flash files

There are three versions of the module: mod_democbusr3dcloud (demo version)
and mod_cbusr3dcloud and mod_usr3dcloud (full versions). Flash files are
tagcloud.swf and tagcloud_rus.swf.





Code will execute after click. It's strictly social XSS.

Also it's possible to conduct (like in WP-Cumulus) HTML Injection attack,
including in those flash files which have protection (in flash files or via
WAF) against javascript and vbscript URI in parameter tagcloud.

HTML Injection:




Best wishes & regards,
Administrator of Websecurity web site

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