FAC Guestbook 2.0 stores sensitive information under the web root with insufficient access control, which allows remote attackers to download a database via a direct request for db/Gdb.mdb.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33600
http://www.securityfocus.com/bid/23441
http://www.securityfocus.com/archive/1/465544/100/0/threaded