Auth bypass in Expresstech Quiz And Survey Master (Qsm) – Easy Maker
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…
Vulnerability class: Broken Access Control
EPSS: 0.001 (22.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/88a9abf4-62a9-4695-87e7-18ff0…
- plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/cla…
- plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/cla…
- plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/rest-api.php
Frequently asked questions
- What is CVE-2025-9637?
- CVE-2025-9637 is a medium-severity vulnerability in Expresstech Quiz And Survey Master (Qsm) – Easy Maker, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-01-06.
- How severe is CVE-2025-9637?
- Medium severity. CVSS v3 base score is 6.5 out of 10.