A vulnerability classified as critical has been found in SourceCodester Apartment Visitor Management System 1.0. Affected is an unknown function of the file /visitor-entry.php. The manipulation of the argument visname/address leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Multiple parameters might be affected.
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.