CVE-2025-53209 CRITICAL

CVE-2025-53209: WordPress Masteriyo LMS PRO plugin <= 2.20.0 - Privilege Escalation Vulnerability

Vendor Themeisle
Product Masteriyo LMS PRO
Weakness CWE-266
Published June 2, 2026
Last update June 2, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Incorrect Privilege Assignment vulnerability in Themeisle Masteriyo LMS PRO allows Privilege Escalation. This issue affects Masteriyo LMS PRO: from n/a through 2.20.0.

Explanation of Vulnerability in Simple Terms

02Summary

Masteriyo LMS PRO versions up to 2.20.0 contain a privilege escalation vulnerability that allows unauthenticated attackers to gain full control of the site. The vulnerability stems from improper access control that fails to verify user permissions before allowing sensitive operations. No authentication or user interaction is required to exploit this flaw.

What an attacker can do

03Attacker Capabilities

Gain full administrative control of the site without needing a login account.

Potential impact on your site

04Site Impact

Complete compromise of your site, including data theft, malware injection, and loss of availability.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 2, 2026 CVE published
June 2, 2026 Record updated