inc.login.php in PHPsFTPd 0.2 through 0.4 allows remote attackers to obtain the administrator's username and password by setting the do_login parameter and performing an edit action using user.php, which causes the login check to be bypassed and leaks the password in the response.
http://www.vupen.com/english/advisories/2005/1101
http://securitytracker.com/id?1014481
http://secunia.com/advisories/15879
http://cert.uni-stuttgart.de/archive/bugtraq/2005/07/msg00209.html