CVE-2026-16155

LOW 3.5

SourceCodester Class and Exam Timetabling System schoolyr.php cross site scripting

CVSS Score

3.5

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was identified in SourceCodester Class and Exam Timetabling System 1.0. Affected by this issue is some unknown functionality of the file /schoolyr.php. The manipulation of the argument sy leads to cross site scripting. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

CWE	CWE-79 CWE-94
Vendor	sourcecodester
Product	class and exam timetabling system
Published	Jul 18, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

SourceCodester / Class and Exam Timetabling System

1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/379920 vuldb.com: https://vuldb.com/vuln/379920/cti vuldb.com: https://vuldb.com/cve/CVE-2026-16155 vuldb.com: https://vuldb.com/submit/857080 github.com: https://github.com/justconter/cve/issues/4 sourcecodester.com: https://www.sourcecodester.com/

Credits

🔍 justconter (VulDB User)