CVE-2026-14820

Medium

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductQuiz and Survey Master (QSM)
PublishedJul 27, 2026
First seenJul 27, 2026

How to fix

Update
  • Quiz and Survey Master (QSM)11.1.3 or later

Affected products

ProductAffected versionsFixed in
Quiz and Survey Master (QSM)v < 11.1.311.1.3

Check your version

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