SQL injection vulnerability in include/class.staff.php in osTicket before 1.6 RC5 allows remote attackers to execute arbitrary SQL commands via the staff username parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/51417
http://www.vupen.com/english/advisories/2009/1726
http://www.securitytracker.com/id?1022480
http://www.securityfocus.com/bid/35516
http://www.securityfocus.com/archive/1/504615/100/0/threaded
http://www.exploit-db.com/exploits/9032