Vulnerability 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 Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.8
- https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.8
- https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.2.1
- https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.2.1
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5780d762-2313-4c81-be0
FAQ
What is CVE-2026-11773?
CVE-2026-11773 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 pro...
How severe is CVE-2026-11773?
CVE-2026-11773 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-11773?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.