RCE in Sourcecodester Class And Exam Timetabling System
CVE-2026-16202
A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /CYS.php. This manipulation of the argument course causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (27.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Sourcecodester Class And Exam Timetabling System — versions 1.0
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-16202?
- CVE-2026-16202 is a low-severity vulnerability in Sourcecodester Class And Exam Timetabling System, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-07-19.
- How severe is CVE-2026-16202?
- Low severity. CVSS v3 base score is 3.5 out of 10.