CVE-2023-48274
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Mondial Relay WooCommerce - WCMultiShipping plugin for WordPress. It allows attackers to exploit incorrectly configured access controls to perform unauthorized actions. All WordPress sites using affected versions of the WCMultiShipping plugin are vulnerable.
💻 Affected Systems
- WordPress WCMultiShipping plugin (Mondial Relay 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
Attackers could modify shipping settings, access sensitive order data, or potentially escalate privileges to compromise the entire WordPress site.
Likely Case
Unauthorized users could view or modify shipping configurations, access customer order information, or disrupt shipping operations.
If Mitigated
With proper access controls and authentication checks, only authorized administrators could access shipping management functions.
🎯 Exploit Status
Exploitation requires some level of access but doesn't need administrative privileges. The vulnerability is in access control logic, making exploitation straightforward once identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.6 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WCMultiShipping plugin. 4. Click 'Update Now' if update available. 5. If no update appears, manually download version 2.3.6+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable WCMultiShipping Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wc-multishipping
Restrict Access via Web Application Firewall
allBlock unauthorized access to WCMultiShipping admin endpoints
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the WordPress instance
- Enable detailed logging and monitoring for unauthorized access attempts to shipping endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WCMultiShipping version. If version is 2.3.5 or lower, you are vulnerable.Check Version:
wp plugin get wc-multishipping --field=versionVerify Fix Applied:
After updating, verify plugin version shows 2.3.6 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST/GET requests to /wp-admin/admin-ajax.php with wcmultishipping actions
- Access to shipping management endpoints from non-admin users
Network Indicators:
- Unusual traffic patterns to WordPress admin-ajax endpoints
- Requests containing wcmultishipping parameters from unexpected IPs
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php") AND (action="wcmultishipping_*" OR params="wcmultishipping") AND user_role!="administrator"