CVE-2025-53572
📋 TL;DR
This vulnerability allows attackers to inject malicious objects through deserialization of untrusted data in the WP Easy Contact WordPress plugin. Successful exploitation could lead to remote code execution or data manipulation. All WordPress sites running WP Easy Contact versions up to 4.0.1 are affected.
💻 Affected Systems
- WP Easy Contact 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
Remote code execution leading to complete site compromise, data theft, or server takeover.
Likely Case
Arbitrary file upload leading to backdoor installation and persistent access.
If Mitigated
Limited impact if proper input validation and security controls block malicious payloads.
🎯 Exploit Status
Exploit details are publicly available and require minimal technical skill to execute.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.0.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP Easy Contact and click 'Update Now'. 4. Verify version is 4.0.2 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate wp-easy-contact
Restrict Access
allBlock access to plugin files via web server configuration.
# Add to .htaccess for Apache:
<Files "wp-easy-contact/*">
Order Allow,Deny
Deny from all
</Files>
# Add to nginx config:
location ~ /wp-content/plugins/wp-easy-contact/ {
deny all;
}
🧯 If You Can't Patch
- Remove the WP Easy Contact plugin completely from the WordPress installation.
- Implement web application firewall rules to block deserialization attempts and PHP object injection patterns.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel under Plugins > Installed Plugins for WP Easy Contact version.Check Version:
wp plugin get wp-easy-contact --field=versionVerify Fix Applied:
Confirm WP Easy Contact version is 4.0.2 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-easy-contact endpoints
- PHP serialized data in request logs
- Unexpected file creation in uploads or plugin directories
Network Indicators:
- HTTP requests containing serialized PHP objects (O:)
- Traffic to known exploit patterns for CVE-2025-53572
SIEM Query:
source="web_logs" AND (uri="*wp-easy-contact*" AND (data="*O:*" OR data="*s:*"))