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Vulnerabilities in t3m_cumulus_tagcloud for TYPO3
From: "MustLive" <mustlive () websecurity com ua>
Date: Wed, 5 May 2010 02:29:26 +0300

Hello Full-Disclosure!

I want to warn you about security vulnerabilities in t3m_cumulus_tagcloud
plugin for TYPO3.

Advisory: Vulnerabilities in t3m_cumulus_tagcloud for TYPO3
URL: http://websecurity.com.ua/4181/
Affected product: t3m_cumulus_tagcloud 1.0.

30.04.2010 - found vulnerabilities.
01.05.2010 - disclosed at my site.
02.05.2010 - informed developers.

These are Cross-Site Scripting and Full path disclosure vulnerabilities.

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



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:


Full path disclosure:


Best wishes & regards,
Administrator of Websecurity web site

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