CVE-2026-16156

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

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.

Affected

SourceCodester · Class and Exam Timetabling System

CVSS v4.0 VULDB

2.0 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

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

CVSS v2.0 VULDB

4.0 MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N

EPSS

0.35% chance of exploitation in the next 30 days, 27th percentile

Published

2026-07-18

Updated

2026-07-21

Proof-of-concept exploits (1)

• justconter/cve/issues/30★ · 2026-09-04

References

• CVE Record
• NVD entry

Related

• CVE-2025-8441
• CVE-2025-8442
• CVE-2026-16152
• CVE-2026-16154
• CVE-2026-16155
• CVE-2026-85512