---
id: CVE-2026-62107
title: WordPress Masteriyo - LMS plugin <= 3.4.0 - PHP Object Injection vulnerability
summary: Unauthenticated PHP Object Injection in Masteriyo - LMS <= 3.4.0 versions.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-502
vendor: masteriyo
product: learning-management-system
affected:
  - learning-management-system >= n/a <= 3.4.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-11T20:09:23.064752Z'
published: '2026-09-11'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T20:19:11.606Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-62107'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/learning-management-system/vulnerability/wordpress-masteriyo-lms-plugin-3-4-0-php-object-injection-vulnerability?_s_id=cve
tags:
  - cve.org
epss: 0.00518
epssPercentile: 0.41562
ingestedAt: '2026-09-14T11:11:19.883Z'
---

## Overview

Unauthenticated PHP Object Injection in Masteriyo - LMS <= 3.4.0 versions.

## Affected

- `learning-management-system >= n/a <= 3.4.0`

## Remediation

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