CVE-2026-4973

LOW

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

Title source: cna
STIX 2.1

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)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-353860 | SourceCodester Online Quiz System add-question.php cross site scripting
https://vuldb.com/?id.353860
Signature, Permissions Required signature permissions-required
VDB-353860 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/?ctiid.353860
Third Party Advisory third-party-advisory
Submit #778101 | SourceCodester Online Quiz System 1.0 Cross Site Scripting
https://vuldb.com/?submit.778101

Scores

CVSS v3 3.5
EPSS 0.0024
EPSS Percentile 14.7%
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