CVE-2026-82851: CWE-639 Authorization Bypass Through User-Controlled Key in Masteriyo LMS
The Masteriyo LMS WordPress plugin before 3.4.1 does not verify ownership of, or restrict the type of, the records a user requests for download, allowing users with the instructor role to retrieve the full content and metadata of arbitrary posts, including other instructors' private and draft courses.
AI Analysis
Technical Summary
CVE-2026-82851 is an authorization bypass vulnerability in the Masteriyo LMS WordPress plugin before version 3.4.1. The plugin fails to verify that users with the instructor role own the records they request for download, nor does it restrict the types of records accessible. This allows such users to retrieve full content and metadata of arbitrary posts, including private and draft courses of other instructors, potentially exposing sensitive course information.
Potential Impact
Users with the instructor role can access unauthorized content, including private and draft courses of other instructors. This could lead to exposure of sensitive educational materials and metadata that should be restricted, violating confidentiality and potentially impacting course integrity.
Mitigation Recommendations
Upgrade the Masteriyo LMS plugin to version 3.4.1 or later, where this authorization bypass vulnerability has been addressed. No other mitigation guidance is provided in the available data.
CVE-2026-82851: CWE-639 Authorization Bypass Through User-Controlled Key in Masteriyo LMS
Description
The Masteriyo LMS WordPress plugin before 3.4.1 does not verify ownership of, or restrict the type of, the records a user requests for download, allowing users with the instructor role to retrieve the full content and metadata of arbitrary posts, including other instructors' private and draft courses.
CVSS v3.1
Score 2.7low
Affected software
Masteriyo LMS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82851 is an authorization bypass vulnerability in the Masteriyo LMS WordPress plugin before version 3.4.1. The plugin fails to verify that users with the instructor role own the records they request for download, nor does it restrict the types of records accessible. This allows such users to retrieve full content and metadata of arbitrary posts, including private and draft courses of other instructors, potentially exposing sensitive course information.
Potential Impact
Users with the instructor role can access unauthorized content, including private and draft courses of other instructors. This could lead to exposure of sensitive educational materials and metadata that should be restricted, violating confidentiality and potentially impacting course integrity.
Mitigation Recommendations
Upgrade the Masteriyo LMS plugin to version 3.4.1 or later, where this authorization bypass vulnerability has been addressed. No other mitigation guidance is provided in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-31T08:27:40.129Z
- State
- PUBLISHED
Threat ID: 6aa4ee6155bf5e2cf5f21fe9
Added to database: 09/12/2026, 06:17:05 UTC
Last enriched: 09/12/2026, 06:47:44 UTC
Last updated: 09/13/2026, 01:45:34 UTC
Views: 17
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