CVE-2025-30618
📋 TL;DR
This vulnerability allows attackers to execute arbitrary PHP code through deserialization of untrusted data in the Rapyd Payment Extension for WooCommerce. Attackers can achieve remote code execution, potentially compromising the entire WordPress/WooCommerce installation. All WordPress sites using affected versions of this plugin are vulnerable.
💻 Affected Systems
- Rapyd Payment Extension 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
Complete server compromise leading to data theft, malware installation, credential harvesting, and use as a foothold for lateral movement within the network.
Likely Case
Remote code execution allowing attackers to deface websites, steal payment data, install backdoors, or deploy ransomware.
If Mitigated
If proper web application firewalls and input validation are in place, exploitation attempts may be blocked, though the vulnerability remains present.
🎯 Exploit Status
The vulnerability is publicly documented with proof-of-concept available. Deserialization attacks are well-understood and easily weaponized.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Rapyd Payment Extension for WooCommerce'. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 1.2.1+ from WordPress.org and replace the plugin files.
🔧 Temporary Workarounds
Disable the plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate rapyd-payments
Web Application Firewall rule
allBlock deserialization attempts at the WAF level
Add rule to block requests containing serialized PHP objects in POST data
🧯 If You Can't Patch
- Immediately disable the Rapyd Payment Extension plugin
- Implement strict input validation and sanitization for all plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Rapyd Payment Extension for WooCommerce' version 1.2.0 or earlierCheck Version:
wp plugin get rapyd-payments --field=versionVerify Fix Applied:
Verify plugin version is 1.2.1 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WooCommerce/Rapyd endpoints
- PHP error logs showing unserialize() warnings
- Web server logs with base64 encoded payloads in URLs
Network Indicators:
- HTTP requests containing serialized PHP objects (O: or a: in payloads)
- Traffic to known exploit paths for this vulnerability
SIEM Query:
source="web_logs" AND (uri_path="*rapyd*" OR uri_path="*woocommerce*") AND (http_method="POST") AND (request_body="*O:*" OR request_body="*a:*")