CVE-2026-11773: CWE-862 Missing Authorization in masteriyo Masteriyo LMS – LMS Course Builder, Quizzes & Certificates
The Masteriyo LMS – LMS Course Builder, Quizzes & Certificates plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.2.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with student-level access and above, to modify the description (post content) of arbitrary course announcements authored by instructors or administrators.
AI Analysis
Technical Summary
CVE-2026-11773 is an authorization bypass vulnerability (CWE-862) in the Masteriyo LMS WordPress plugin, affecting all versions up to 2.2.1. The plugin fails to properly verify that a user is authorized to perform certain actions, enabling authenticated users with at least student-level privileges to alter course announcement descriptions created by higher-privileged users such as instructors or administrators. This vulnerability does not affect confidentiality or availability but impacts the integrity of course content.
Potential Impact
The vulnerability allows an authenticated user with student-level or higher access to modify the content of course announcements authored by instructors or administrators. This could lead to misinformation or unauthorized content changes within the LMS environment. There is no indication of impact on confidentiality or availability. The CVSS v3.1 base score is 4.3 (medium severity), reflecting low complexity and the requirement for authenticated access.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch is currently documented, users should monitor the vendor's communications for updates. Until a patch is available, consider restricting user roles and permissions to limit who can access course announcement editing features.
CVE-2026-11773: CWE-862 Missing Authorization in masteriyo Masteriyo LMS – LMS Course Builder, Quizzes & Certificates
Description
The Masteriyo LMS – LMS Course Builder, Quizzes & Certificates plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.2.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with student-level access and above, to modify the description (post content) of arbitrary course announcements authored by instructors or administrators.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-11773 is an authorization bypass vulnerability (CWE-862) in the Masteriyo LMS WordPress plugin, affecting all versions up to 2.2.1. The plugin fails to properly verify that a user is authorized to perform certain actions, enabling authenticated users with at least student-level privileges to alter course announcement descriptions created by higher-privileged users such as instructors or administrators. This vulnerability does not affect confidentiality or availability but impacts the integrity of course content.
Potential Impact
The vulnerability allows an authenticated user with student-level or higher access to modify the content of course announcements authored by instructors or administrators. This could lead to misinformation or unauthorized content changes within the LMS environment. There is no indication of impact on confidentiality or availability. The CVSS v3.1 base score is 4.3 (medium severity), reflecting low complexity and the requirement for authenticated access.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch is currently documented, users should monitor the vendor's communications for updates. Until a patch is available, consider restricting user roles and permissions to limit who can access course announcement editing features.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-06-09T11:55:57.904Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3f79f727e9c79719e9f829
Added to database: 06/27/2026, 07:21:27 UTC
Last enriched: 07/04/2026, 22:15:09 UTC
Last updated: 08/10/2026, 12:41:09 UTC
Views: 67
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