CVE-2026-88844CWE-639

CVE-2026-88844

Low · published September 18, 2026

CVSS v3.1
2.7
EPSS
0%
Percentile
21.4
In the wild
Unconfirmed
What it is

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that the requesting user owns the course before returning its enrolled-student data, allowing users with the MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50's Instructor role to disclose the names and email addresses of students enrolled in other instructors' courses.

The record
Technical detail
CVSS v3.1
2.7 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00299 · 21.4th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-09-18T10:16Z
References (1)
https://wpscan.com/vulnerability/13b4f5c4-db4a-4bc2-b092-07747ee790e6/ · [email protected]
EPSS history
Timeline
  • 19 SEP 03:54Z
    EPSS moved — → 0%
    epss
  • 18 SEP 06:00Z
    MasterStudy LMS 3.6.2 - < 3.7.50 - Instructor+ Student PII Disclosure via IDOR
    cvelistv5