SourceCodester Microfinance Management System addcustomerHandler.php cross site scripting

A vulnerability was found in SourceCodester Microfinance Management System 1.0. It has been declared as problematic. This vulnerability affects the file /mims/app/addcustomerHandler.php. The manipulation of the argument first_name, middle_name, and surname leads to cross site scripting. The attack can be initiated remotely.