Thursday, 15 March 2012 14:47

Joomla! 1.6.x/1.7.x/2.5.0-2.5.2 suffers from a privilege escalation vulnerability that allows users to be registered into any group not having 'core.admin' privileges.

Last Updated on Thursday, 15 March 2012 15:01
Wednesday, 28 September 2011 23:11

There is a serious problem with the way Joomla! handles the "remember me" login cookie. It is possible to decrypt the contents of this cookie and alter the serialized data inside, which could possibly lead to exploitation. Versions 1.5 through 1.7.1 are affected.

Last Updated on Monday, 17 October 2011 13:00
Tuesday, 05 April 2011 10:23

Back in February, I reported an issue with TinyMCE to the Joomla! Security Strike Team. Since then, they "fixed" it in 1.6.1, but failed to do so for 1.5.23. Joomla! 1.5.x ships with a script that is supposed to cache gzipped copies of TinyMCE, but not only is this script never used, but it doesn't clean up after itself.

Last Updated on Tuesday, 05 April 2011 11:15
Tuesday, 08 March 2011 10:47

Now that 1.6.1 is officially released, I figured I'd go ahead and publish a few of the "sensitive" bugs I found in 1.6.0.

Last Updated on Tuesday, 08 March 2011 11:21
Tuesday, 01 February 2011 09:21

Joomla! 1.5 and 1.6 rely on the JFilterInput class to sanitize user-supplied html. This class attempts to parse any given string for html code, checks the code against a whitelist of elements and attributes, and strips out any code that is not allowed. However, malformed html code can be used to bypass the filter and inject XSS code into user-supplied input.

Last Updated on Tuesday, 01 February 2011 19:02
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The Joomla!® name is used under a limited license from Open Source Matters in the United States and other countries. Jeff Channell is not affiliated with or endorsed by Open Source Matters or the Joomla!® Project.

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