CVE-2025-47705
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by Drupal IFrame Remove Filter, leading to cross-site scripting (XSS) attacks. It affects Drupal sites using vulnerable versions of the IFrame Remove Filter module. Attackers could steal session cookies, redirect users, or perform actions on behalf of authenticated users.
💻 Affected Systems
- Drupal IFrame Remove Filter
📦 What is this software?
Iframe Remove Filter by Iframe Remove Filter Project
Iframe Remove Filter by Iframe Remove Filter Project
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator credentials, take over the Drupal site, and compromise all user data.
Likely Case
Attackers steal user session cookies to hijack accounts and perform unauthorized actions.
If Mitigated
Limited impact with proper input validation and output encoding in place.
🎯 Exploit Status
XSS vulnerabilities typically have low exploitation complexity and can be exploited without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.5, 7.X-1.6, 1.3
Vendor Advisory: https://www.drupal.org/sa-contrib-2025-051
Restart Required: No
Instructions:
1. Update the IFrame Remove Filter module to the patched version via Drupal's update manager. 2. Clear Drupal caches after update. 3. Verify the module version in the Drupal admin interface.
🔧 Temporary Workarounds
Disable IFrame Remove Filter Module
linuxTemporarily disable the vulnerable module until patched.
drush pm-disable iframe_remove_filter
Implement Content Security Policy (CSP)
allAdd CSP headers to mitigate XSS impact.
Add 'Content-Security-Policy' header to web server configuration
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads.
- Enable Drupal's built-in XSS protection features and input validation.
🔍 How to Verify
Check if Vulnerable:
Check the IFrame Remove Filter module version in Drupal admin at /admin/modules or via 'drush pm-list'.Check Version:
drush pm-list | grep iframe_remove_filterVerify Fix Applied:
Confirm module version is 2.0.5, 7.X-1.6, or 1.3 or higher.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests with script tags or JavaScript payloads to Drupal endpoints.
Network Indicators:
- HTTP requests containing malicious script injections in parameters.
SIEM Query:
source="drupal_access.log" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=")