CVE-2025-58636
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code on WordPress sites using the WP Gravity Forms Keap/Infusionsoft plugin (gf-infusionsoft) through deserialization of untrusted data. It affects all WordPress installations running vulnerable versions of this plugin. Attackers can achieve remote code execution without authentication.
💻 Affected Systems
- WP Gravity Forms Keap/Infusionsoft (gf-infusionsoft)
⚠️ 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 compromise leading to data theft, malware installation, website defacement, and lateral movement to other systems.
Likely Case
Remote code execution allowing attackers to create backdoors, steal sensitive data, and use the server for malicious activities.
If Mitigated
Limited impact if proper network segmentation, web application firewalls, and least privilege principles are implemented.
🎯 Exploit Status
Deserialization vulnerabilities are commonly exploited and weaponized quickly.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WP Gravity Forms Keap/Infusionsoft'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.2.4+ from WordPress repository and replace files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate gf-infusionsoft
Web Application Firewall Rule
allBlock requests containing serialized PHP objects in POST data.
🧯 If You Can't Patch
- Disable the gf-infusionsoft plugin immediately.
- Implement strict network segmentation to isolate the vulnerable system.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'WP Gravity Forms Keap/Infusionsoft' version 1.2.3 or earlier.
Check Version:
wp plugin get gf-infusionsoft --field=version
Verify Fix Applied:
Verify plugin version is 1.2.4 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php or plugin endpoints
- PHP deserialization errors in web server logs
- Unexpected file creation in wp-content/uploads
Network Indicators:
- HTTP POST requests with serialized data payloads to plugin-specific endpoints
- Outbound connections from web server to unknown IPs
SIEM Query:
source="web_server_logs" AND (uri="*admin-ajax.php*" OR uri="*gf-infusionsoft*") AND method="POST" AND size>1000