CVE-2026-11773: CWE-862 Missing Authorization in masteriyo Masteriyo LMS – LMS Course Builder, Quizzes & Certificates
Masteriyo LMS – LMS Course Builder, Quizzes & Certificates WordPress plugin versions up to and including 2.2.1 contain an authorization bypass vulnerability. This flaw allows authenticated users with student-level access or higher to modify the description content of course announcements authored by instructors or administrators. The vulnerability arises from improper verification of user authorization for certain actions.
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 and including 2.2.1. The plugin fails to properly verify that a user is authorized to modify course announcement descriptions, enabling authenticated users with low privileges (student-level and above) to alter content they should not control. This vulnerability does not impact confidentiality or availability but allows integrity modification of course announcement descriptions.
Potential Impact
An attacker with authenticated access at the student level or higher can modify the descriptions of arbitrary course announcements created by instructors or administrators. This impacts the integrity of course content but does not affect confidentiality or availability. The CVSS v3.1 base score is 4.3 (medium severity), reflecting low complexity and no user interaction required.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch has been indicated in the available data. Until a patch is available, restrict user roles and permissions carefully to limit exposure. Monitor vendor communications for updates and apply any official fixes promptly once released.
CVE-2026-11773: CWE-862 Missing Authorization in masteriyo Masteriyo LMS – LMS Course Builder, Quizzes & Certificates
Description
Masteriyo LMS – LMS Course Builder, Quizzes & Certificates WordPress plugin versions up to and including 2.2.1 contain an authorization bypass vulnerability. This flaw allows authenticated users with student-level access or higher to modify the description content of course announcements authored by instructors or administrators. The vulnerability arises from improper verification of user authorization for certain actions.
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 and including 2.2.1. The plugin fails to properly verify that a user is authorized to modify course announcement descriptions, enabling authenticated users with low privileges (student-level and above) to alter content they should not control. This vulnerability does not impact confidentiality or availability but allows integrity modification of course announcement descriptions.
Potential Impact
An attacker with authenticated access at the student level or higher can modify the descriptions of arbitrary course announcements created by instructors or administrators. This impacts the integrity of course content but does not affect confidentiality or availability. The CVSS v3.1 base score is 4.3 (medium severity), reflecting low complexity and no user interaction required.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch has been indicated in the available data. Until a patch is available, restrict user roles and permissions carefully to limit exposure. Monitor vendor communications for updates and apply any official fixes promptly once released.
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: 06/27/2026, 07:37:26 UTC
Last updated: 06/27/2026, 15:36:15 UTC
Views: 7
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