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Vulnerabilities and Security Researches

Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress, CVE-2026-14820

CVE, Research URL

CVE-2026-14820

Published on
Jul 27, 2026
Research Description
The Quiz and Survey Master (QSM) WordPress plugin before 11.1.3 does not implement rate limiting or standard failed-login auditing on its front-end credential-check functionality and returns distinct responses for valid and invalid accounts, allowing unauthenticated attackers to enumerate valid usernames and to brute-force passwords while bypassing brute-force protection Quiz and Survey Master (QSM) WordPress plugin before 11.1.3.
Affected versions
max 11.1.3.
Status
vulnerable