Auth bypass in Masterstudy Lms WordPress Plugin

CVE-2026-88845

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not perform any capability or nonce checks on an administrative maintenance action, allowing any authenticated user, such as a subscriber, to trigger it and create published content on the site attributed to their own account.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (4.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-88845: held from 0.002 to 0.001.

EPSS over last 30 days · oldest: 0.002 · newest: 0.001 · change: -0.000

Affected products

  • Masterstudy Lms WordPress Plugin

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-88845?
CVE-2026-88845 is a medium-severity vulnerability in Masterstudy Lms WordPress Plugin, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-09-24.
How severe is CVE-2026-88845?
Medium severity. CVSS v3 base score is 4.3 out of 10.