PHPBlogger stores sensitive information under the web root with insufficient access control, which allows remote attackers to download a database containing an admin password hash via a direct request for data/pref.db. NOTE: this can be easily leveraged for administrative access because composing the authentication cookie only requires the password hash, not the cleartext version.
http://www.securityfocus.com/archive/1/474938/100/0/threaded
http://securityreason.com/securityalert/2957