Some vulnerabilities have been reported in Joomla!, where some have unknown impacts, one can be exploited by malicious people to conduct cross-site scripting attacks, and one can be exploited by malicious users to conduct SQL injection attacks.

1) Input passed to an unspecified parameter is not 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.

2) The vulnerabilities are caused due to unspecified errors in Joomla!. The vendor describes them as "several low level security issues". No further information is currently available.

3) For more information:
SA24044

The vulnerabilities are reported in version 1.0.11. Prior versions may also be affected.

Solution
Update to version 1.0.12.

Provided and/or discovered by
1) Fukumori
2) Reported by the vendor.
3) Omid

Changelog
Further details available to Secunia VIM customers

Original Advisory
1) http://jvn.jp/jp/JVN%2345006961/index.html
2) http://www.joomla.org/content/view/2446/1/

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers