SQL Injection in Sourcecodester Class And Exam Timetabling System

CVE-2026-86221

A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0. The impacted element is the function mysqli_query of the file /admin/modal_add_course1.php. This manipulation of the argument course causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-86221?
CVE-2026-86221 is a high-severity vulnerability in Sourcecodester Class And Exam Timetabling System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-09-06.
How severe is CVE-2026-86221?
High severity. CVSS v3 base score is 7.3 out of 10.