CVE-2025-13980
📋 TL;DR
This vulnerability allows attackers to bypass authentication mechanisms in Drupal CKEditor 5 Premium Features, potentially gaining unauthorized access to premium functionality. It affects Drupal sites using vulnerable versions of the CKEditor 5 Premium Features module. The vulnerability enables attackers to access features that should require authentication without proper credentials.
💻 Affected Systems
- Drupal CKEditor 5 Premium Features
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative access to premium CKEditor features, potentially allowing content manipulation, privilege escalation, or unauthorized content publication.
Likely Case
Unauthorized users access premium editing features they shouldn't have, potentially bypassing content moderation workflows or accessing restricted functionality.
If Mitigated
With proper access controls and monitoring, impact is limited to unauthorized feature access without data compromise.
🎯 Exploit Status
Exploitation requires understanding of Drupal's authentication mechanisms and CKEditor integration.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.10, 1.3.6, 1.4.3, 1.5.1, or 1.6.4
Vendor Advisory: https://www.drupal.org/sa-contrib-2025-118
Restart Required: No
Instructions:
1. Update CKEditor 5 Premium Features module to patched version via Drupal admin interface or Composer. 2. Clear Drupal caches. 3. Verify module functionality.
🔧 Temporary Workarounds
Disable CKEditor 5 Premium Features
allTemporarily disable the vulnerable module until patching is possible
drush pm:disable ckeditor5_premium_features
Restrict Access via Drupal Permissions
allTighten permissions for CKEditor-related functionality
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the Drupal admin interface
- Enable detailed logging and monitoring for authentication bypass attempts
🔍 How to Verify
Check if Vulnerable:
Check installed module version in Drupal admin at /admin/modules or via 'drush pm:list | grep ckeditor5_premium_features'Check Version:
drush pm:list --fields=name,version | grep ckeditor5_premium_featuresVerify Fix Applied:
Confirm module version is 1.2.10+, 1.3.6+, 1.4.3+, 1.5.1+, or 1.6.4+ and test premium features require proper authentication📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to CKEditor premium endpoints
- Authentication bypass patterns in Drupal watchdog logs
Network Indicators:
- Unusual requests to CKEditor-related admin endpoints from unauthenticated sources
SIEM Query:
source="drupal" AND (event_type="authentication_failure" OR event_type="access_denied") AND message="*ckeditor*"