Directory traversal vulnerability in index.php in Wikepage Opus 13 2007.2 allows remote attackers to read arbitrary files via directory traversal sequences in the wiki parameter, a different vector than CVE-2006-4418.
https://exchange.xforce.ibmcloud.com/vulnerabilities/41688
http://www.securityfocus.com/bid/28664
http://secunia.com/advisories/29699
http://archives.neohapsis.com/archives/bugtraq/2008-04/0082.html