itsourcecode Billing System addclient1.php sql injection

A vulnerability was found in itsourcecode Billing System 1.0. It has been rated as critical. This issue affects some unknown processing of the file /addclient1.php. The manipulation of the argument lname/fname/mi/address/contact/meterReader leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.