Directory traversal vulnerability in website.php in openEngine 1.8 Beta 2 and earlier allows remote attackers to list arbitrary directories and read arbitrary files via a .. (dot dot) in the template parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26345
http://www.vupen.com/english/advisories/2006/1728
http://www.securityfocus.com/archive/1/433229/100/0/threaded