Campcodes Computer Sales and Inventory System pos_transac.php sql injection

A flaw has been found in Campcodes Computer Sales and Inventory System 1.0. The affected element is an unknown function of the file /pages/pos_transac.php?action=add. Executing manipulation of the argument cash/firstname can lead to sql injection. The attack may be performed from remote. The exploit has been published and may be used. Other parameters might be affected as well.