CVE-2024-4352
📋 TL;DR
This vulnerability in Tutor LMS Pro WordPress plugin allows authenticated attackers with subscriber-level permissions or higher to bypass authorization checks and execute SQL injection attacks. Attackers can access, modify, or delete sensitive data from the database. All WordPress sites using vulnerable versions of Tutor LMS Pro are affected.
💻 Affected Systems
- Tutor LMS Pro WordPress Plugin
📦 What is this software?
Tutor Lms by Themeum
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including user credentials, payment information, and sensitive course data; potential for full site takeover via privilege escalation.
Likely Case
Unauthorized access to student records, course materials, and user data; potential data exfiltration and manipulation.
If Mitigated
Limited impact with proper network segmentation and database access controls, but still exposes sensitive data to authenticated users.
🎯 Exploit Status
Exploitation requires authenticated access but uses simple SQL injection techniques that are well-documented and easy to automate.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific version
Vendor Advisory: https://www.themeum.com/product/tutor-lms/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Tutor LMS Pro and check for updates. 4. Click 'Update Now' if update is available. 5. Verify plugin version after update.
🔧 Temporary Workarounds
Disable vulnerable function via plugin filter
allAdd code to theme's functions.php to disable the vulnerable 'get_calendar_materials' function
add_filter('tutor_lms_pro_calendar_materials_enabled', '__return_false');
Restrict user roles
allTemporarily restrict subscriber-level access or implement additional authentication requirements
🧯 If You Can't Patch
- Implement WAF rules to block SQL injection patterns targeting the 'year' parameter
- Restrict database user permissions to read-only for application accounts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Tutor LMS Pro version against patched version in vendor advisoryCheck Version:
wp plugin list --name=tutor-lms-pro --field=versionVerify Fix Applied:
Verify plugin version is updated and test calendar functionality with subscriber account📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed authentication attempts followed by calendar API calls
- Unexpected database queries from subscriber-level users
Network Indicators:
- POST requests to /wp-admin/admin-ajax.php with 'action=tutor_pro_get_calendar_materials' and suspicious 'year' parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_server" AND uri="/wp-admin/admin-ajax.php" AND parameters.action="tutor_pro_get_calendar_materials" AND parameters.year MATCHES "[^0-9]"