PHP-Fusion before 7.02.06 stores backup files with predictable filenames in an unrestricted directory under the web document root, which might allow remote attackers to obtain sensitive information via a direct request to the backup file in administration/db_backups/.
http://www.php-fusion.co.uk/news.php?readmore=569
http://www.openwall.com/lists/oss-security/2013/03/03/2