CVE-2008-6507
Unspecified vulnerability in phpBB before 3.0.4 allows attackers to obtain sensitive information via unknown vectors related to the lack of password prompts for a private message that quotes a post in a password-protected forum.
Date published : 2009-03-23
http://www.phpbb.com/community/viewtopic.php?f=14&t=1352565
http://www.phpbb.com/support/documents.php?mode=changelog&version=3#v303