CVE-2026-13521 | SourceCodester Class and Exam Timetabling System 1.0/5.php /preview5.php course_year_section sql injection

A vulnerability classified as critical was found in SourceCodester Class and Exam Timetabling System 1.0/5.php. Affected by this vulnerability is an unknown functionality of the file /preview5.php. Such manipulation of the argument course_year_section leads to sql injection.

This vulnerability is listed as CVE-2026-13521. The attack may be performed from remote. In addition, an exploit is available.