CVE-2026-49111 HIGH

CVE-2026-49111: WordPress Masteriyo - LMS plugin <= 2.2.0 - Privilege Escalation vulnerability

Vendor Themegrill
Product Masteriyo - LMS
Weakness CWE-266
Published June 15, 2026
Last update June 15, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Incorrect Privilege Assignment vulnerability in ThemeGrill Masteriyo - LMS allows Privilege Escalation. This issue affects Masteriyo - LMS: from n/a through 2.2.0.

Explanation of Vulnerability in Simple Terms

02Summary

Masteriyo LMS versions up to 2.2.0 contain an improper privilege escalation vulnerability. An authenticated user with low privileges can gain unauthorized access to sensitive data and modify or delete site content. The vulnerability requires network access and valid login credentials but no additional user interaction. Site administrators should update immediately to a version newer than 2.2.0.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify content, and delete site resources without proper authorization.

Potential impact on your site

04Site Impact

Authenticated users can escalate privileges to access admin functions, compromise student data, and disrupt course content.

Conditions required to exploit

05Prerequisites

Valid login account with low-level privileges; network access to the site.

Key dates

06Disclosure timeline

June 15, 2026 CVE published
June 15, 2026 Record updated