Directory traversal vulnerability in Net Portal Dynamic System (NPDS) 5.10 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) sequence and trailing null (%00) byte in the (1) Default_Theme parameter to header.php or (2) ModPath parameter to modules/cluster-paradise/cluster-E.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27121
http://www.vupen.com/english/advisories/2006/2233
http://www.securityfocus.com/bid/18383
http://www.securityfocus.com/archive/1/436442/100/0/threaded