CVE-2026-86223 SourceCodester Class and Exam Timetabling System modal_add_coursea.php mysqli_query sql injection

A vulnerability was found in SourceCodester Class and Exam Timetabling System 1.0. This impacts the function mysqliquery of the file /admin/modaladdcoursea.php. Performing a manipulation of the argument course results in sql injection. Remote exploitation of the attack is possible. The exploit ha...