What is CVE-2026-82851?

CVE-2026-82851 is a low-severity vulnerability in Masteriyo Lms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 2.7/10. Published 2026-09-12.

How severe is CVE-2026-82851?

Low severity. CVSS v3 base score is 2.7 out of 10.

Auth bypass in Masteriyo Lms

CVE-2026-82851

The Masteriyo LMS WordPress plugin before 3.4.1 does not verify ownership of, or restrict the type of, the records a user requests for download, allowing users with the instructor role to retrieve the full content and metadata of arbitrary posts, including other instructors' private and draft courses.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

Affected products

Unknown Masteriyo Lms

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-82851?: CVE-2026-82851 is a low-severity vulnerability in Masteriyo Lms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 2.7/10. Published 2026-09-12.
How severe is CVE-2026-82851?: Low severity. CVSS v3 base score is 2.7 out of 10.