CVE-2026-14820

MEDIUM

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

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit exploit vdb-entry technical-description
https://wpscan.com/vulnerability/22af8c73-8147-4205-8285-a35881f2d041/

Scores

CVSS v3 5.3
EPSS 0.0022
EPSS Percentile 13.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-200
Status published
Products (1)
None/Quiz and Survey Master (QSM) < 11.1.3
Published Jul 27, 2026
Tracked Since Jul 27, 2026