CVE-2026-14820

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.

Score

CVSS 3.1 5.3 Medium

Status

Deferred - contact@wpscan.com

Published

2026-07-27

Last modified

2026-07-27

Weaknesses

CWE-200

Affected products

• Quiz And Survey Master Qsm (Unknown)

References

• https://wpscan.com/vulnerability/22af8c73-8147-4205-8285-a35881f2d041/