CVE-2025-60083
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code on WooCommerce sites by exploiting insecure deserialization in the PDF Invoice Builder plugin. Attackers can achieve remote code execution by sending specially crafted data to vulnerable endpoints. All WordPress sites using affected versions of this plugin are at risk.
💻 Affected Systems
- PDF Invoice Builder for WooCommerce
⚠️ 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
Full server compromise leading to data theft, malware installation, and complete site takeover.
Likely Case
Unauthorized access to sensitive data, defacement, and backdoor installation for persistent access.
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: 6.3.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Go to Plugins → Installed Plugins
3. Find 'PDF Invoice Builder for WooCommerce'
4. Click 'Update Now' if available
5. If not, download latest version from WordPress repository
6. Deactivate old version
7. Upload and activate new version
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate pdf-for-woocommerce
Restrict Access
allBlock access to plugin endpoints via web application firewall
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all user inputs
- Deploy web application firewall with deserialization attack detection
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin under Plugins → Installed PluginsCheck Version:
wp plugin get pdf-for-woocommerce --field=versionVerify Fix Applied:
Verify plugin version is 6.3.3 or higher after update📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- PHP object injection attempts in logs
- Unexpected file creation/modification
Network Indicators:
- HTTP requests containing serialized PHP objects
- Traffic to known exploit patterns
SIEM Query:
source="web_logs" AND (uri="*pdf-for-woocommerce*" OR user_agent="*exploit*") AND (method="POST" OR status="500")