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Vulnerabilities and Security Researches

MasterStudy LMS WordPress Plugin – for Online Courses and Education, CVE-2026-81200

CVE, Research URL

CVE-2026-81200

Published on
Aug 29, 2026
Research Description
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 versions
max 3.7.42.
Status
vulnerable