CVE-2025-60081
📋 TL;DR
This vulnerability allows attackers to inject malicious objects through deserialization of untrusted data in the PDF for Contact Form 7 WordPress plugin. Successful exploitation could lead to remote code execution or data manipulation. All WordPress sites using affected versions of this plugin are vulnerable.
💻 Affected Systems
- PDF for Contact Form 7 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, data exfiltration, or site defacement.
If Mitigated
Limited impact if proper input validation and security controls block malicious payloads.
🎯 Exploit Status
Deserialization vulnerabilities are commonly exploited and weaponization is likely given the high CVSS score.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.3.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'PDF for Contact Form 7' and click 'Update Now'. 4. Verify update to version 6.3.5 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate pdf-for-contact-form-7
Restrict Access
allUse web application firewall to block requests to vulnerable endpoints.
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all user-supplied data
- Deploy web application firewall with deserialization attack detection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for PDF for Contact Form 7 version.Check Version:
wp plugin get pdf-for-contact-form-7 --field=versionVerify Fix Applied:
Confirm plugin version is 6.3.5 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to PDF generation endpoints
- PHP object injection patterns in logs
- Unexpected file uploads or creation
Network Indicators:
- HTTP requests with serialized PHP objects in parameters
- Traffic to known exploit patterns for CVE-2025-60081
SIEM Query:
source="wordpress.log" AND ("pdf-for-contact-form-7" OR "CVE-2025-60081") AND (POST OR "php_object" OR "unserialize")