CVE-2026-4973

LOW

SourceCodester Online Quiz System add-question.php cross site scripting

Title source: cna

Description

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.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/?id.353860

[Signature, Permissions Required] https://vuldb.com/?ctiid.353860

[Third Party Advisory] https://vuldb.com/?submit.778101

[Exploit] https://gist.github.com/Mohdanass/5992b65cca5612c036f1d31d8d8f0646

[Product] https://www.sourcecodester.com/

Scores

CVSS v3 3.5

EPSS 0.0004

EPSS Percentile 10.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-79 CWE-94

Status published

Products (1)

SourceCodester/Online Quiz System 1.0

Published Mar 27, 2026

Tracked Since Mar 29, 2026