CVE-2025-9637

The Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker plugin for WordPress is vulnerable to unauthorized access and modification of data due to a missing capability and status checks on multiple functions in all versions up to, and including, 10.3.1. This makes it possible for unauthenticated attackers to view the details of unpublished, private, or password-protected quizzes, as well as submit file responses to questions from those quizzes, which allow file upload.

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-25)

CWE

CWE-862

Published

2026-01-06

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• expresstech:quiz_and_survey_master

References

• https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/class-qmn-quiz-manager.php#L1987
• https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/class-qmn-quiz-manager.php#L281
• https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/rest-api.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/88a9abf4-62a9-4695-87e7-18ff0b0075e9?source=cve

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