Auth bypass in Quiz And Survey Master (Qsm)
CVE-2026-14826
The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not perform a per-object ownership check on the REST routes that return a quiz's email-notification and results-page configuration, allowing users with contributor-level access and above to read the configuration, including notification recipient addresses, of quizzes created by other users.
Vulnerability class: IDOR (Insecure Direct Object Reference)
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Unknown Quiz And Survey Master (Qsm)
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-14826?
- CVE-2026-14826 is a low-severity vulnerability in Quiz And Survey Master (Qsm), classified under Authorization Bypass Through User-Controlled Key. CVSS score: 2.7/10. Published 2026-08-19.
- How severe is CVE-2026-14826?
- Low severity. CVSS v3 base score is 2.7 out of 10.