CVE-2026-81194

MasterStudy LMS < 3.7.46 - Subscriber+ Cross-Instructor Order Data Disclosure via author_id Parameter

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not properly verify authorization when retrieving order line-item data, allowing any authenticated user including Subscribers to read other instructors' course sales records by supplying another user's identifier.

Affected

MasterStudy LMS WordPress Plugin

CVSS v3.1 CNA

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS

0.16% chance of exploitation in the next 30 days, 6th percentile

Published

2026-09-02

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/727903d4-ce0f-4ab4-bbd4-c973091e0b8f/

References

• CVE Record
• NVD entry