What is CVE-2026-79615?

CVE-2026-79615 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 2026-08-28.

How severe is CVE-2026-79615?

Low severity. CVSS v3 base score is 2.7 out of 10.

Auth bypass in Quiz And Survey Master (Qsm)

CVE-2026-79615

The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not check authorisation when returning question bank entries through one of its REST API routes, allowing users with a role as low as Contributor to read the questions, hints and correct answer keys of quizzes belonging to other users.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.001 (3.8th percentile) — read the EPSS interpretation.

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)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-79615?: CVE-2026-79615 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 2026-08-28.
How severe is CVE-2026-79615?: Low severity. CVSS v3 base score is 2.7 out of 10.