CVE-2023-37989
📋 TL;DR
This CVE describes a missing authorization vulnerability in the Easyship WooCommerce Shipping Rates plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers could potentially access functionality they shouldn't have permission to use. This affects all WordPress sites using the Easyship WooCommerce Shipping Rates plugin version 0.9.0 and earlier.
💻 Affected Systems
- Easyship WooCommerce Shipping Rates 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
Attackers could modify shipping settings, access sensitive shipping data, or potentially escalate privileges to gain administrative control over the WooCommerce store.
Likely Case
Unauthorized users could access and modify shipping configuration settings, potentially disrupting shipping operations or accessing customer shipping information.
If Mitigated
With proper access controls and authentication checks, only authorized administrators can access shipping configuration functions.
🎯 Exploit Status
Exploitation requires some level of access to the WordPress site, but the vulnerability bypasses authorization checks for authenticated users.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.9.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Easyship WooCommerce Shipping Rates'. 4. Click 'Update Now' if available, or manually update to version 0.9.1+. 5. Verify the plugin is active and functioning.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Easyship WooCommerce Shipping Rates plugin until patched
wp plugin deactivate easyship-woocommerce-shipping-rates
Restrict admin access
linuxImplement IP whitelisting for WordPress admin access
# Add to .htaccess for Apache: Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
# Or equivalent for nginx
🧯 If You Can't Patch
- Implement strict access controls and monitor for unauthorized access attempts to shipping configuration pages
- Use web application firewall rules to block suspicious requests to the plugin's admin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Easyship WooCommerce Shipping Rates versionCheck Version:
wp plugin get easyship-woocommerce-shipping-rates --field=versionVerify Fix Applied:
Verify plugin version is 0.9.1 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /wp-admin/admin.php?page=easyship-woocommerce-shipping-rates endpoints
- Multiple failed authentication attempts followed by successful access to shipping configuration
Network Indicators:
- Unusual POST requests to plugin admin endpoints from non-admin IP addresses
SIEM Query:
source="wordpress.log" AND ("easyship" OR "shipping-rates") AND ("admin.php" OR "wp-admin") AND status=200 AND user_role!=administrator