WordPress Plugin Vulnerabilities

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

Description

The plugin 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.

Proof of Concept

Affects Plugins

Plugin icon
masterstudy-lms-learning-management-system
Fixed in 3.7.46

References

CVE
CVE-2026-81194

Classification

Type
IDOR
OWASP top 10
A5: Broken Access Control
CWE
CWE-639
CVSS
4.3 (medium)

Miscellaneous

Original Researcher
Abdullah Kareem
Submitter
Abdullah Kareem
Submitter website
https://cyberkareem.com
Submitter twitter
cyberkareem
Verified
Yes
WPVDB ID
727903d4-ce0f-4ab4-bbd4-c973091e0b8f

Timeline

Publicly Published
2026-08-31 (about 2 days ago)
Added
2026-08-31 (about 1 day ago)
Last Updated
2026-08-31 (about 1 day ago)

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