CVE-2026-16156

A security flaw has been discovered in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /forexam.php. The manipulation of the argument day results in cross site scripting. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

CVSS 4.0

2.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

CVSS 3.1

3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-25)

CWEs

CWE-79, CWE-94

Published

2026-07-18

Modified

2026-10-24

Record from

the NVD, synced 2026-10-25

References

• https://github.com/justconter/cve/issues/3
• https://vuldb.com/cve/CVE-2026-16156
• https://vuldb.com/submit/857081
• https://vuldb.com/vuln/379921
• https://vuldb.com/vuln/379921/cti

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