CVE-2024-31267
📋 TL;DR
This CVE describes a Missing Authorization (Broken Access Control) vulnerability in the WP Desk Flexible Checkout Fields for WooCommerce WordPress plugin. It allows unauthorized users to access or modify restricted functionality, such as checkout field settings, without proper authentication. All WordPress sites using affected versions of this plugin are at risk.
💻 Affected Systems
- Flexible Checkout Fields for WooCommerce
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could modify checkout fields to steal sensitive customer data (e.g., payment info), disrupt e-commerce operations, or escalate privileges to compromise the WordPress site.
Likely Case
Unauthorized users, including low-privileged ones, could alter checkout field configurations, leading to data integrity issues, customer confusion, or minor site disruptions.
If Mitigated
With proper access controls (e.g., role-based permissions) and network segmentation, impact is limited to unauthorized configuration changes that are quickly detected and reverted.
🎯 Exploit Status
Exploitation likely involves simple HTTP requests to unprotected endpoints; details may not be publicly disclosed yet.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.1.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Go to Plugins > Installed Plugins. 3. Find 'Flexible Checkout Fields for WooCommerce'. 4. Click 'Update Now' if available, or manually update to version 4.1.3+. 5. Verify update completes without errors.
🔧 Temporary Workarounds
Disable Plugin Temporarily
allDeactivate the plugin to prevent exploitation until patched, but this will disable checkout field customizations.
wp plugin deactivate flexible-checkout-fields
Restrict Access via Web Application Firewall (WAF)
allConfigure WAF rules to block unauthorized requests to plugin endpoints, such as those related to checkout field management.
🧯 If You Can't Patch
- Implement strict access controls: Limit plugin admin access to trusted users only using WordPress roles (e.g., Administrator) and monitor for unauthorized changes.
- Enable logging and monitoring: Set up alerts for any modifications to checkout field settings or unusual access patterns to plugin-related URLs.
🔍 How to Verify
Check if Vulnerable:
Check the plugin version in WordPress admin: Go to Plugins > Installed Plugins, find 'Flexible Checkout Fields for WooCommerce', and see if version is 4.1.2 or lower.Check Version:
wp plugin get flexible-checkout-fields --field=versionVerify Fix Applied:
After updating, confirm the plugin version is 4.1.3 or higher in the same location, and test that only authorized users can access checkout field settings.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to URLs containing '/wp-admin/admin.php?page=inspire_checkout_fields' or similar plugin endpoints in WordPress or web server logs.
Network Indicators:
- Unusual HTTP POST/GET requests to plugin-specific paths from untrusted IP addresses.
SIEM Query:
source="wordpress_logs" AND (url="*inspire_checkout_fields*" AND user_role!="administrator")🔗 References
- https://patchstack.com/database/vulnerability/flexible-checkout-fields/wordpress-flexible-checkout-fields-for-woocommerce-plugin-4-1-2-broken-access-control-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/flexible-checkout-fields/wordpress-flexible-checkout-fields-for-woocommerce-plugin-4-1-2-broken-access-control-vulnerability?_s_id=cve
