CVE-2026-14820

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

Medium · published July 27, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
30.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00374 · 30.2th percentile
Published
2026-07-27T06:00Z
EPSS history
Timeline
  • 27 JUL 06:00Z
    Quiz And Survey Master < 11.1.3 - Unauthenticated User Enumeration and Password Oracle via Quiz Login
    cvelistv5