CVE-2026-11773
Received Received - Intake

Authorization Bypass in Masteriyo LMS WordPress Plugin

Publication date: 2026-06-27

Last updated on: 2026-06-27

Assigner: Wordfence

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.

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Meta Information

Published
2026-06-27
Last Modified
2026-06-27
Generated
2026-06-27
AI Q&A
2026-06-27
EPSS Evaluated
N/A
NVD
CVE-2026-11773
EUVD
EUVD-2026-39953

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
masteriyo lms_course_builder to 2.2.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

The vulnerability exists in the Masteriyo LMS – LMS Course Builder, Quizzes & Certificates plugin for WordPress, affecting all versions up to and including 2.2.1.

It is an authorization bypass issue caused by the plugin not properly verifying whether a user is authorized to perform certain actions.

This flaw allows authenticated users with student-level access or higher to modify the description (post content) of any course announcements authored by instructors or administrators.

Impact Analysis

An attacker with at least student-level access can exploit this vulnerability to alter course announcement content that should only be modifiable by instructors or administrators.

This could lead to misinformation being spread to students or other users, potentially damaging the integrity and trustworthiness of the course content.

Although the vulnerability does not impact confidentiality or availability, it does affect the integrity of course announcements.

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