RCE in Sourcecodester Class And Exam Timetabling System

CVE-2026-16485

A vulnerability has been found in SourceCodester Class and Exam Timetabling System 1.0. Affected by this issue is some unknown functionality of the file /class.php. Such manipulation of the argument day leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (39.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16485?
CVE-2026-16485 is a medium-severity vulnerability in Sourcecodester Class And Exam Timetabling System, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-07-21.
How severe is CVE-2026-16485?
Medium severity. CVSS v3 base score is 4.3 out of 10.