A vulnerability was found in SourceCodester AC Repair and Services System 1.0. It has been declared as critical. This vulnerability affects the function save_users of the file /classes/Users.php. The manipulation of the argument ID leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well.
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.