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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.

PUBLISHED Reserved 2026-03-27 | Published 2026-03-27 | Updated 2026-03-30 | Assigner VulDB




MEDIUM: 5.1CVSS: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
LOW: 3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
LOW: 3.5CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.0AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross Site Scripting

Code Injection

Product status

1.0
affected

Timeline

2026-03-27:Advisory disclosed
2026-03-27:VulDB entry created
2026-03-27:VulDB entry last update

Credits

Anas22335 (VulDB User) reporter

References

vuldb.com/?id.353860 (VDB-353860 | SourceCodester Online Quiz System add-question.php cross site scripting) vdb-entry technical-description

vuldb.com/?ctiid.353860 (VDB-353860 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.778101 (Submit #778101 | SourceCodester Online Quiz System 1.0 Cross Site Scripting) third-party-advisory

gist.github.com/Mohdanass/5992b65cca5612c036f1d31d8d8f0646 exploit

www.sourcecodester.com/ product

cve.org (CVE-2026-4973)

nvd.nist.gov (CVE-2026-4973)

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