CVE-2026-14820 — MEDIUM (5.3)

Vulnerability 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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-200

References

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

FAQ

What is CVE-2026-14820?

CVE-2026-14820 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...

How severe is CVE-2026-14820?

CVE-2026-14820 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-14820?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.