CVE-2026-4973EPSS p16.1%

CVE-2026-4973CVE-2026-4973

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.

Scoring

CVSS 3.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
EPSS0.25% probability of exploitation · percentile 16.1% · 2026-10-27T12:03:15Z
Last modified2026-10-26
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.