CVE-2025-48444
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in Drupal's Quick Node Block module that allows attackers to perform forceful browsing to access restricted content. The vulnerability affects all Drupal sites using Quick Node Block versions before 2.0.0. Attackers can bypass intended access controls to view content they shouldn't have permission to access.
💻 Affected Systems
- Drupal Quick Node Block
📦 What is this software?
Quick Node Block by Quick Node Block Project
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain unauthorized access to sensitive content, potentially exposing confidential information, user data, or administrative content that should be restricted.
Likely Case
Unauthorized users access content intended for specific user roles, potentially exposing internal information or bypassing content access controls.
If Mitigated
With proper access controls and monitoring, impact is limited to potential information disclosure of non-critical content.
🎯 Exploit Status
The vulnerability is straightforward to exploit by accessing specific URLs that should require authorization.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.0
Vendor Advisory: https://www.drupal.org/sa-contrib-2025-064
Restart Required: No
Instructions:
1. Update Quick Node Block module to version 2.0.0 or later via Drupal's update manager. 2. Clear Drupal caches after update. 3. Verify module functionality post-update.
🔧 Temporary Workarounds
Disable Quick Node Block Module
allTemporarily disable the vulnerable module until patching is possible
drush pm-disable quick_node_block
drush cr
Implement Access Control Rules
allAdd additional access control rules at the web server or Drupal level to restrict access to vulnerable endpoints
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules to limit access to Drupal administration interfaces
- Enable detailed logging and monitoring for unauthorized access attempts to restricted content
🔍 How to Verify
Check if Vulnerable:
Check Quick Node Block module version in Drupal's Extend page or using drush: drush pm-list | grep quick_node_block
Check Version:
drush pm-list --fields=name,version | grep quick_node_block
Verify Fix Applied:
Verify module version is 2.0.0 or higher and test that restricted content requires proper authorization
📡 Detection & Monitoring
Log Indicators:
- Multiple 200/403 responses for restricted content URLs
- Access patterns showing users accessing content outside their role permissions
Network Indicators:
- Unusual access to node-related endpoints without proper authentication headers
SIEM Query:
web_access_logs status=200 AND uri CONTAINS '/node/' AND NOT user_role IN ['admin','editor']