logahead UNU 1.0 before 20061226 allows remote attackers to upload arbitrary files via unspecified vectors related to plugins/widged/_widged.php (aka the WidgEd plugin), possibly because of an authentication bypass. NOTE: some of these details are obtained from third party information.
http://www.vupen.com/english/advisories/2006/5184
http://www.securityfocus.com/bid/21743
http://www.securityfocus.com/archive/1/455307/100/0/threaded
http://securitytracker.com/id?1017444
http://securityreason.com/securityalert/2071