CVE-2026-81200: Unknown Masterstudy Lms WordPress Plugin

Low severity, CVSS 2.7. EPSS: 0.3% chance of exploitation in the next 30 days.

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.42 does not correctly restrict access to order information, allowing any user with the instructor role to read other users' order billing details, including name, email address, phone number and postal address, by enumerating order IDs.

Affected products

• Unknown Masterstudy Lms WordPress Plugin: before 3.7.42 (fixed in 3.7.42)

Published 2026-08-29. Last modified 2026-08-31.