CVE-2025-64266

8.8 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious objects through deserialization of untrusted data in the Booking and Rental Manager for WooCommerce WordPress plugin. Successful exploitation could lead to remote code execution or other malicious activities. All WordPress sites using affected versions of this plugin are vulnerable.

💻 Affected Systems

Products:
  • Booking and Rental Manager for WooCommerce WordPress Plugin
Versions: All versions up to and including 2.5.4
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress with WooCommerce and the vulnerable plugin installed and activated.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete system compromise, data theft, or ransomware deployment.

🟠

Likely Case

Arbitrary code execution allowing attackers to create backdoors, modify site content, or steal sensitive data.

🟢

If Mitigated

Limited impact if proper input validation and output encoding are implemented elsewhere in the application stack.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Deserialization vulnerabilities are commonly weaponized and often have public exploits available shortly after disclosure.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.5.5 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/booking-and-rental-manager-for-woocommerce/vulnerability/wordpress-booking-and-rental-manager-plugin-2-5-4-php-object-injection-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Booking and Rental Manager for WooCommerce'
4. Click 'Update Now' if update is available
5. If no update appears, manually download version 2.5.5+ from WordPress.org
6. Deactivate old plugin, upload new version, activate

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate booking-and-rental-manager-for-woocommerce

Web Application Firewall Rule

all

Block requests containing serialized PHP objects

# WAF specific rules vary by platform

🧯 If You Can't Patch

  • Implement strict input validation and sanitization for all user inputs
  • Deploy web application firewall with rules to detect and block deserialization attacks

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Booking and Rental Manager for WooCommerce → Version number

Check Version:

wp plugin get booking-and-rental-manager-for-woocommerce --field=version

Verify Fix Applied:

Verify plugin version is 2.5.5 or higher in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to plugin endpoints
  • PHP error logs containing unserialize() warnings
  • Unexpected file creation in wp-content/uploads

Network Indicators:

  • HTTP requests with serialized PHP objects in parameters
  • Traffic to known malicious IPs from WordPress server

SIEM Query:

source="wordpress.log" AND ("booking-and-rental" OR "unserialize" OR "php_object")

🔗 References

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