A directory traversal vulnerability in the Gadget Factory (com_gadgetfactory) component 1.0.0 and 1.5.0 for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the controller parameter to index.php.
View the template here CVE-2010-1956.yaml
References:
http://www.exploit-db.com/exploits/12285