CVE-2025-60089
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code through deserialization of untrusted data in the WP Gravity Forms FreshDesk Plugin. Attackers can achieve remote code execution by sending specially crafted requests. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WP Gravity Forms FreshDesk Plugin (gf-freshdesk)
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise leading to data theft, website defacement, malware installation, and lateral movement within the network.
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 web application firewalls and input validation are in place, though exploitation risk remains high.
🎯 Exploit Status
Deserialization vulnerabilities are commonly weaponized. While no public PoC exists, exploitation is straightforward for skilled attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.6 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find 'WP Gravity Forms FreshDesk Plugin'. 4. Update to version 1.3.6 or later. 5. Verify update completed successfully.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate gf-freshdesk
Web Application Firewall Rules
allBlock requests containing serialized PHP objects or suspicious patterns
🧯 If You Can't Patch
- Remove the plugin completely from all WordPress installations
- Implement strict network segmentation to isolate affected systems
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > WP Gravity Forms FreshDesk Plugin version
Check Version:
wp plugin get gf-freshdesk --field=version
Verify Fix Applied:
Verify plugin version is 1.3.6 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php or plugin endpoints
- PHP deserialization errors in logs
- Unexpected file creation in wp-content/uploads
Network Indicators:
- HTTP requests containing serialized PHP objects (O: or C: patterns)
- Traffic to known malicious domains from WordPress server
SIEM Query:
source="wordpress.log" AND ("gf-freshdesk" OR "admin-ajax.php") AND ("O:" OR "C:" OR "unserialize")