CVE-2026-81196CWE-639

CVE-2026-81196

Low · published September 2, 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 3.7.46 does not properly verify ownership of quiz question identifiers, allowing users with instructor access to read other instructors' quiz questions, including the correct answers and explanations.

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
2026-09-02T10:17Z
References (1)
https://wpscan.com/vulnerability/d11acb84-6dd0-4229-ac30-dba3ad6b9614/ · [email protected]
EPSS history
Timeline
  • 03 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 02 SEP 06:00Z
    MasterStudy LMS < 3.7.46 - Instructor+ Quiz Answer Disclosure via IDOR
    cvelistv5