CVE-2024-39650
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the WPWeb Elite WooCommerce PDF Vouchers plugin for WordPress. It allows unauthenticated attackers to access functionality that should be restricted by access controls. All WordPress sites using affected versions of this plugin are vulnerable.
💻 Affected Systems
- WPWeb Elite WooCommerce PDF Vouchers WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access sensitive voucher data, generate unauthorized vouchers, manipulate voucher settings, or potentially escalate privileges within the WooCommerce system.
Likely Case
Unauthenticated attackers accessing voucher management functions, viewing voucher details, or generating unauthorized PDF vouchers.
If Mitigated
With proper network segmentation and web application firewalls, exploitation attempts would be blocked or detected before causing damage.
🎯 Exploit Status
Unauthenticated access to restricted endpoints makes exploitation straightforward for attackers with basic web security knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.9.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WooCommerce PDF Vouchers' and click 'Update Now'. 4. Verify update to version 4.9.5 or later.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate woocommerce-pdf-vouchers
Web Application Firewall Rule
allBlock access to vulnerable plugin endpoints
Add WAF rule to block requests to /wp-content/plugins/woocommerce-pdf-vouchers/* for unauthenticated users
🧯 If You Can't Patch
- Deactivate the WooCommerce PDF Vouchers plugin immediately
- Implement strict network access controls to limit who can access the WordPress admin interface
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for WooCommerce PDF Vouchers version 4.9.4 or earlierCheck Version:
wp plugin get woocommerce-pdf-vouchers --field=versionVerify Fix Applied:
Verify plugin version is 4.9.5 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthenticated requests to /wp-content/plugins/woocommerce-pdf-vouchers/ endpoints
- Multiple failed authentication attempts followed by successful access to voucher functions
Network Indicators:
- Unusual traffic patterns to plugin-specific endpoints from unauthenticated sources
- Spikes in PDF generation requests
SIEM Query:
source="wordpress.log" AND (uri="/wp-content/plugins/woocommerce-pdf-vouchers/*" AND user="-")