SQL injection vulnerability in qtg_msg_view.php in QuickTalk guestbook 1.2 allows remote attackers to execute arbitrary SQL commands via the id parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35101
http://www.securityfocus.com/bid/24667
http://pridels-team.blogspot.com/2007/06/quicktalk-guestbook-sql-inj.html