CVE-2026-88844

MasterStudy LMS 3.6.2 - < 3.7.50 - Instructor+ Student PII Disclosure via IDOR

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that the requesting user owns the course before returning its enrolled-student data, allowing users with the MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50's Instructor role to disclose the names and email addresses of students enrolled in other instructors' courses.

Affected

MasterStudy LMS WordPress Plugin

CVSS v3.1 CNA

2.7 LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

EPSS

0.30% chance of exploitation in the next 30 days, 21st percentile

Published

2026-09-18

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/13b4f5c4-db4a-4bc2-b092-07747ee790e6/

References

• CVE Record
• NVD entry