CVE-2025-31677

8.8 HIGH

📋 TL;DR

This CSRF vulnerability in Drupal AI allows attackers to trick authenticated users into performing unintended actions on the Drupal site. It affects Drupal AI module versions 1.0.0 through 1.0.1, potentially allowing attackers to manipulate AI-related functionality.

💻 Affected Systems

Products:
  • Drupal AI (Artificial Intelligence) module
Versions: from 1.0.0 before 1.0.2
Operating Systems: All platforms running Drupal
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated user sessions; affects all Drupal installations using vulnerable AI module versions.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could manipulate AI module settings, inject malicious content, or perform administrative actions as authenticated users, potentially compromising the entire Drupal site.

🟠

Likely Case

Attackers could modify AI module configurations, change AI behavior, or perform unauthorized actions within the AI module's capabilities.

🟢

If Mitigated

With proper CSRF protections and user awareness, impact is limited to specific AI module functionality manipulation.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires social engineering to trick authenticated users; no authentication bypass needed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.2

Vendor Advisory: https://www.drupal.org/sa-contrib-2025-003

Restart Required: No

Instructions:

1. Update Drupal AI module to version 1.0.2 or later via Drupal's update manager. 2. Clear Drupal caches. 3. Verify the update was successful.

🔧 Temporary Workarounds

CSRF Token Implementation

all

Manually add CSRF tokens to AI module forms if patching is delayed

🧯 If You Can't Patch

  • Implement strict SameSite cookie policies and Content Security Policy headers
  • Restrict AI module access to trusted users only and monitor for suspicious activity

🔍 How to Verify

Check if Vulnerable:

Check Drupal AI module version in Drupal admin at /admin/modules or via drush: drush pm-list | grep ai

Check Version:

drush pm-list --fields=name,version | grep ai

Verify Fix Applied:

Confirm Drupal AI module version is 1.0.2 or higher and test CSRF protection on AI module forms

📡 Detection & Monitoring

Log Indicators:

  • Multiple AI module configuration changes from same user session
  • Unusual AI-related POST requests without referrer headers

Network Indicators:

  • CSRF attack patterns in web traffic
  • Suspicious external requests triggering AI actions

SIEM Query:

web_requests method=POST AND uri CONTAINS '/ai/' AND NOT referrer CONTAINS 'yourdomain.com'

🔗 References

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