Multiple SQL injection vulnerabilities in Carey Briggs PHP/MYSQL Timesheet 1 and 2 allow remote attackers to execute arbitrary SQL commands via the (1) yr, (2) month, (3) day, and (4) job parameters in (a) index.php and (b) changehrs.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24567
http://www.vupen.com/english/advisories/2006/0522
http://www.securityfocus.com/bid/16620
http://www.securityfocus.com/archive/1/425316/100/0/threaded
http://www.evuln.com/vulns/67/summary.html