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Joomla 1.5.22 Cross Site Scripting

Joomla 1.5.22 Cross Site Scripting
Posted Dec 10, 2010
Authored by MustLive

Joomla versions 1.5.22 and below suffer from abuse of functionality and cross site scripting vulnerabilities.

tags | exploit, vulnerability, xss
SHA-256 | 3d6c162096d77deb10c8a77a3b58b9d47de91da5158318bb42645b5a3b69f440

Joomla 1.5.22 Cross Site Scripting

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Hello Full-Disclosure!

I want to warn you about Insufficient Anti-automation, Abuse of
Functionality and Cross-Site Scripting vulnerabilities in Joomla.
Vulnerabilities exist in component com_mailto, which is a core component
of Joomla.

-------------------------
Affected products:
-------------------------

Vulnerable are all versions of Joomla with corresponding functionality
(Joomla! 1.5.22 and previous versions). XSS vulnerabilities are lacking in
Joomla! 1.5.21 and 1.5.22 (security site, where I found these
vulnerabilities, is using old version of Joomla), so they exist in more
earlier versions of the system.

----------
Details:
----------

In details about such Insufficient Anti-automation and Abuse of
Functionality vulnerabilities it's possible to read in my article Sending
spam via sites and creating spam-botnets
(http://www.webappsec.org/lists/websecurity/archive/2010-07/msg00099.html).

Insufficient Anti-automation (WASC-21):

http://site/component/mailto/?tmpl=component&link=1

There is no protection at the page from automated requests (captcha). The
time-out is using for protection in the system, but it's easily bypassing.

Abuse of Functionality (WASC-42):

It's possible to send spam to arbitrary e-mails (it's possible to spoof all
important fields, and also to spoof URL in Joomla before 1.5.7). And with
using of Insufficient Anti-automation vulnerability it's possible to send
spam from the site in automated manner on a large scale.

XSS (WASC-08):

POST request at page http://site/component/mailto/?tmpl=component&link=1

" style="xss:expression(alert(document.cookie))
In fields: E-mail to, Sender, Your E-mail, Subject.

------------
Timeline:
------------

2010.09.21 - announced at my site.
2010.09.23 - informed developers.
2010.12.09 - disclosed at my site.

I mentioned about these vulnerabilities at my site
(http://websecurity.com.ua/4549/).

Best wishes & regards,
MustLive
Administrator of Websecurity web site
http://websecurity.com.ua

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