Multiple SQL injection vulnerabilities in ModernBill 4.3.2 and earlier allow remote attackers or administrators to execute arbitrary SQL commands via the (1) id parameter in (a) user.php, or (2) where and (3) order parameters to (b) admin.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25926
http://www.vupen.com/english/advisories/2006/1415
http://www.securityfocus.com/bid/17596
http://secunia.com/advisories/19641
http://pridels0.blogspot.com/2006/04/modernbill-multiple-sql-inj-vuln.html