CVE-2025-48300
📋 TL;DR
This vulnerability allows attackers to upload arbitrary files, including web shells, to WordPress servers running the Groundhogg plugin. Attackers can achieve remote code execution and full server compromise. All WordPress sites using Groundhogg versions up to 4.2.1 are affected.
💻 Affected Systems
- Groundhogg WordPress Plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete server takeover with persistent backdoor installation, data exfiltration, and lateral movement to other systems.
Likely Case
Web shell upload leading to website defacement, data theft, and malware distribution.
If Mitigated
File upload blocked at web application firewall level, preventing exploitation.
🎯 Exploit Status
Exploitation requires authenticated user access but is trivial once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.2.2 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/groundhogg/vulnerability/wordpress-groundhogg-4-2-1-arbitrary-file-upload-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Groundhogg and click 'Update Now'. 4. Verify version is 4.2.2 or higher.
🔧 Temporary Workarounds
Disable Groundhogg Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate groundhogg
Web Application Firewall Rule
allBlock file uploads to Groundhogg endpoints.
🧯 If You Can't Patch
- Implement strict file upload validation at the web server level
- Restrict plugin access to trusted users only
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Groundhogg versionCheck Version:
wp plugin get groundhogg --field=versionVerify Fix Applied:
Confirm Groundhogg version is 4.2.2 or higher📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to /wp-content/uploads/groundhogg/
- POST requests to Groundhogg file upload endpoints
Network Indicators:
- HTTP POST requests with file uploads to Groundhogg-specific URLs
SIEM Query:
source="web_logs" AND (url_path="/wp-content/uploads/groundhogg/" OR url_path CONTAINS "groundhogg") AND method="POST" AND status=200