Directory traversal vulnerability in userstatus.php in the User Status (com_userstatus) component 1.21.16 for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the controller parameter to index.php.Referenceshttp://www.securityfocus.com/bid/39174http://www.exploit-db.com/exploits/11998https://exchange.xforce.ibmcloud.com/vulnerabilities/57483
