Joomla! "searchword" XSS Vulnerability

Saturday, 13 October 2007

Vendor: Joomla

MustLive has discovered a vulnerability in Joomla!, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed to the "searchword" parameter in index.php (when "option" is set to "com_search") 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.

Successful exploitation requires that the victim changes the number of search results in a drop-down box, after having clicked on the malicious link.

The vulnerability is confirmed in version 1.0.13. Other versions may also be affected.

Edit the source code to ensure that input is properly sanitised.

Provided and/or discovered by:

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