A directory traversal vulnerability in the Highslide JS (com_hsconfig) component 1.5 and 2.0.9 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-2010-1314.yaml
References:
http://packetstormsecurity.org/1004-exploits/joomlahsconfig-lfi.txt