CVE-2026-11773

MEDIUM

Masteriyo LMS <= 2.2.1 - Missing Authorization to Authenticated (Student+) Arbitrary Course Announcement Modification

Title source: cna

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.

References (6)

Core 6

Core References

https://www.wordfence.com/threat-intel/vulnerabilities/id/5780d762-2313-4c81-be02-99543359d824?source=cve

https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.2.1/addons/course-announcement/Controllers/CourseAnnouncementController.php#L782

https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.2.1/addons/course-announcement/Controllers/CourseAnnouncementController.php#L619

https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.8/addons/course-announcement/Controllers/CourseAnnouncementController.php#L782

https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.8/addons/course-announcement/Controllers/CourseAnnouncementController.php#L619

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3583519%40learning-management-system&new=3583519%40learning-management-system&sfp_email=&sfph_mail=

Scores

CVSS v3 4.3

EPSS 0.0015

EPSS Percentile 4.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-862

Status published

Products (1)

masteriyo/Masteriyo LMS – LMS Course Builder, Quizzes & Certificates < 2.2.1

Published Jun 27, 2026

Tracked Since Jun 27, 2026