PoC Index

CVE-2026-4973

MEDIUM 4.0EPSS 0.2%

A vulnerability was detected in SourceCodester Online Quiz System up to 1.0. Affected by this vulnerability is an unknown functionality of the file endpoint/add-question.php. Performing a manipulation of the argument quiz_question results in cross site scripting. It is possible to initiate the attack remotely. The exploit is now public and may be used.

CVSS v4.0
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
3.5 LOWCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS v2.0
4.0 MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N
EPSS
0.24% chance of exploitation in the next 30 days, 15th percentile
Published
2026-03-27
Updated
2026-03-30

Proof-of-concept exploits (1)

References

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