CVE-2024-37235
📋 TL;DR
This CSRF vulnerability in Groundhogg WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions. It affects all WordPress sites using Groundhogg versions up to 3.4.2.3.
💻 Affected Systems
- Groundhogg WordPress Plugin
📦 What is this software?
Groundhogg by Groundhogg
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify plugin settings, create/delete contacts, or perform other administrative actions without the admin's knowledge.
Likely Case
Attackers could manipulate contact data, change email marketing settings, or disrupt plugin functionality.
If Mitigated
With proper CSRF protections, no unauthorized actions can be performed even if users are tricked into clicking malicious links.
🎯 Exploit Status
Exploitation requires social engineering to trick authenticated admins into clicking malicious links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.4.2.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Go to Plugins → Installed Plugins
3. Find Groundhogg and click 'Update Now'
4. Verify version is 3.4.2.4 or higher
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF protection to Groundhogg forms manually
Requires custom PHP development to add nonce verification
Restrict Admin Access
linuxLimit admin panel access to trusted IP addresses only
Add to .htaccess: Order deny,allow
Deny from all
Allow from 192.168.1.0/24
🧯 If You Can't Patch
- Disable Groundhogg plugin until patched
- Implement web application firewall with CSRF protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Groundhogg version numberCheck Version:
wp plugin list --name=groundhogg --field=versionVerify Fix Applied:
Confirm Groundhogg version is 3.4.2.4 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Multiple failed CSRF token validations
- Unexpected Groundhogg admin actions from unusual IPs
Network Indicators:
- POST requests to Groundhogg endpoints without referrer headers
- Admin actions originating from non-admin pages
SIEM Query:
source="wordpress.log" AND "groundhogg" AND ("action" OR "update" OR "delete") AND NOT "nonce"