CVE-2000-1234
violation.php3 in Phorum 3.0.7 allows remote attackers to send e-mails to arbitrary addresses and possibly use Phorum as a "spam proxy" by setting the Mod and ForumName parameters.
Date published : 2005-07-14
http://www.securityfocus.com/bid/2272
http://cert.uni-stuttgart.de/archive/bugtraq/2000/01/msg00215.html