CVE-2026-62107

WordPress Masteriyo - LMS plugin <= 3.4.0 - PHP Object Injection vulnerability

Published Sep 11, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Deserialization of Untrusted Data vulnerability in ThemeGrill Masteriyo - LMS learning-management-system allows Object Injection.This issue affects Masteriyo - LMS: from n/a through 3.4.0.

Remediation

Vendor Solution

Update the WordPress Masteriyo - LMS plugin to the latest available version (at least 3.4.1).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Unauthenticated PHP Object Injection in Masteriyo - LMS <= 3.4.0 versions. Deserialization of Untrusted Data vulnerability in ThemeGrill Masteriyo - LMS learning-management-system allows Object Injection.This issue affects Masteriyo - LMS: from n/a through 3.4.0.
Type Values Removed Values Added
First Time appeared Masteriyo
Masteriyo masteriyo
Wordpress
Wordpress wordpress
Vendors & Products Masteriyo
Masteriyo masteriyo
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Unauthenticated PHP Object Injection in Masteriyo - LMS <= 3.4.0 versions.
Title WordPress Masteriyo - LMS plugin <= 3.4.0 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Nov 12, 2026, 4:41 PM
Reserved
Jul 13, 2026, 6:15 AM
Status
Deferred
Published
Sep 11, 2026, 7:17 PM
Modified
Nov 12, 2026, 5:17 PM