CVE-2026-86223 [HIGH] – A vulnerability was found in SourceCodester Class and Exam Timetabling System 1.0. This im

A vulnerability was found in SourceCodester Class and Exam Timetabling System 1.0. This impacts the function mysqli_query of the file /admin/modal_add_coursea.php. Performing a manipulation of the argument course results in sql injection. Remote exploitation of the attack is possible. The exploit has been made public and could be used.