Is CVE-2026-13566 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-13566?

CVE-2026-13566 has a CVSS v3 severity of HIGH (7.3).

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CVE-2026-13566

Description

A vulnerability was identified in SourceCodester Class and Exam Timetabling System 1.0. Affected by this issue is some unknown functionality of the file /preview3.php. The manipulation of the argument course_year_section leads to sql injection. The attack may be initiated remotely. The exploit is publicly available and might be used.