CVE-2026-14820

Quiz And Survey Master < 11.1.3 - Unauthenticated User Enumeration and Password Oracle via Quiz Login

MEDIUM
5.3
CVSS Score
Published: July 27, 2026 at 06:00 AM UTC
Updated: July 27, 2026 at 08:44 PM UTC
1 product affected across 1 vendorQuiz And Survey Master

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 11.1.3
Affected range stops below 11.1.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/22af8c73-8147-4205-8285-a35881f2d041/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-200

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