CVE-2026-88847CWE-862broken-access-control

CVE-2026-88847

Medium · published September 24, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
4.0
In the wild
Unconfirmed
What it is

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that a user is enrolled in a course before recording lesson completions against it, allowing any authenticated user, such as a subscriber, to create course progress records for courses they have no access to.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00152 · 4.0th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-24T10:17Z
References (1)
https://wpscan.com/vulnerability/c42e9b3a-5a0d-4e16-b18a-4184c09bcb5a/ · [email protected]
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 24 SEP 06:00Z
    MasterStudy LMS < 3.7.50 - Subscriber+ Lesson Completion Record Creation
    cvelistv5