CVE-2024-4223
📋 TL;DR
The Tutor LMS WordPress plugin has a missing capability check vulnerability that allows unauthenticated attackers to add, modify, or delete data. This affects all versions up to and including 2.7.0. Any WordPress site using the vulnerable Tutor LMS plugin is at risk.
💻 Affected Systems
- Tutor LMS WordPress Plugin
📦 What is this software?
Tutor Lms by Themeum
⚠️ Risk & Real-World Impact
Worst Case
Complete site compromise including data destruction, content manipulation, and potential privilege escalation leading to full administrative control.
Likely Case
Unauthorized data modification or deletion, content defacement, and potential injection of malicious content.
If Mitigated
Limited impact with proper network segmentation and access controls, but still vulnerable to data manipulation.
🎯 Exploit Status
The vulnerability is in multiple functions with missing capability checks, making exploitation straightforward for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.7.1
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3086489/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Tutor LMS and click 'Update Now'. 4. Verify version is 2.7.1 or higher.
🔧 Temporary Workarounds
Disable Tutor LMS Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate tutor
Restrict WordPress Admin Access
allLimit access to WordPress admin interface to trusted IP addresses only.
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block suspicious Tutor LMS API requests
- Enable detailed logging for all Tutor LMS plugin activities and monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Tutor LMS version. If version is 2.7.0 or lower, you are vulnerable.Check Version:
wp plugin get tutor --field=versionVerify Fix Applied:
After updating, confirm Tutor LMS version is 2.7.1 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to Tutor LMS endpoints
- Unexpected data modifications in Tutor LMS tables
- Failed capability checks in WordPress debug logs
Network Indicators:
- Unusual traffic patterns to /wp-content/plugins/tutor-lms/ endpoints
- POST requests to Tutor LMS API from unauthenticated sources
SIEM Query:
source="wordpress.log" AND ("tutor" OR "tutor-lms") AND ("POST" OR "unauthorized" OR "capability_check")🔗 References
- https://plugins.trac.wordpress.org/changeset/3086489/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ce4c4395-6d1a-4d5f-885f-383e5c44c0f8?source=cve
- https://plugins.trac.wordpress.org/changeset/3086489/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ce4c4395-6d1a-4d5f-885f-383e5c44c0f8?source=cve
