CVE-2026-13566 MEDIUM

CVE-2026-13566: SourceCodester Class and Exam Timetabling System preview3.php sql injection

Vendor Sourcecodester
Product Class and Exam Timetabling System
Weakness CWE-89 · SQLi
Published June 29, 2026
Last update June 30, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 29, 2026 CVE published
June 30, 2026 Record updated