Vulnerability in Masterstudy Lms WordPress Plugin
CVE-2026-81026
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.40 does not verify the amount, receiver, currency or status of a payment notification before marking the corresponding order completed, allowing unauthenticated users to complete full-price orders and gain access to paid content by paying only a token amount.
EPSS: 0.001 (4.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Unknown Masterstudy Lms Wordpress Plugin
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-81026?
- CVE-2026-81026 is a medium-severity vulnerability in Masterstudy Lms WordPress Plugin, classified under Improper Access Control. CVSS score: 4.8/10. Published 2026-08-29.
- How severe is CVE-2026-81026?
- Medium severity. CVSS v3 base score is 4.8 out of 10.