CVE-2026-88846CWE-862broken-access-control

CVE-2026-88846

Medium · published September 24, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
7.4
In the wild
Unconfirmed
What it is

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not check whether user registration is enabled on the site before creating an account through one of its front-end registration flows, allowing unauthenticated users to create accounts, and be logged into them, on sites where registration has been deliberately disabled.

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:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00182 · 7.4th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-24T10:17Z
References (1)
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 24 SEP 06:00Z
    MasterStudy LMS 2.3.0 - < 3.7.50 - Unauthenticated Account Creation with Registration Disabled
    cvelistv5