CVE-2024-43239
📋 TL;DR
This vulnerability allows attackers to bypass authorization by manipulating user-controlled keys, enabling unauthorized access to restricted resources in the Masteriyo LMS WordPress plugin. It affects all WordPress sites running Masteriyo LMS versions up to 1.11.4.
💻 Affected Systems
- Masteriyo - LMS WordPress Plugin
📦 What is this software?
Masteriyo by Masteriyo
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access sensitive user data, modify course content, or perform administrative actions without proper authorization.
Likely Case
Unauthorized viewing or modification of user-specific data such as course progress, grades, or personal information.
If Mitigated
Limited impact with proper access controls and monitoring, though the vulnerability still exists.
🎯 Exploit Status
Exploitation requires some user access but authorization bypass is straightforward once initial access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.11.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Masteriyo - LMS and click 'Update Now'. 4. Verify update to version 1.11.5 or higher.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the Masteriyo LMS plugin until patched
wp plugin deactivate learning-management-system
🧯 If You Can't Patch
- Implement strict access controls and monitoring for Masteriyo LMS endpoints
- Restrict plugin access to trusted users only using WordPress role management
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Masteriyo - LMS versionCheck Version:
wp plugin get learning-management-system --field=versionVerify Fix Applied:
Verify Masteriyo - LMS plugin version is 1.11.5 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to Masteriyo LMS endpoints
- Failed authorization attempts followed by successful access
Network Indicators:
- HTTP requests to Masteriyo API endpoints with manipulated parameters
SIEM Query:
source="wordpress" AND (uri_path="/wp-json/masteriyo/*" OR uri_path="/wp-admin/admin-ajax.php") AND (param_manipulation OR status_code=200 AFTER auth_failure)