Directory traversal vulnerability in webftp.php in SysCP WebFTP 1.2.6 and possibly earlier allows remote attackers to include and execute arbitrary local PHP scripts, and possibly read other types of files, via a .. (dot dot) and a trailing null in the webftp_language parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24018
http://www.vupen.com/english/advisories/2006/0090
http://www.securityfocus.com/bid/16175
http://www.securityfocus.com/archive/1/420973/100/0/threaded