Directory traversal vulnerability in the iNetLanka Multiple Map (com_multimap) component 1.0 for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the controller parameter to index.php.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2010-1972
http://www.vupen.com/english/advisories/2010/0927
http://www.securityfocus.com/bid/39551