CVE-2002-2109
Matt Wright FormMail 1.9 and earlier allows remote attackers to bypass the HTTP_REFERER check and conduct unauthorized activities via (1) a blank referer, (2) a spoofed referer with a trusted domain/URL after the beginning of the referer, or (3) a spoofed referer with a trusted domain/URL in the beginning (hostname) portion of the referer.
Date published : 2005-08-05
http://www.securityfocus.com/bid/3954
http://archives.neohapsis.com/archives/bugtraq/2002-01/0307.html