A vulnerability was found in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown function of the file /preview.php. Performing a manipulation of the argument course_year_section results in sql injection. The attack can be initiated remotely. The exploit has been made public and could be used.
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.