CVE-2025-67589

4.3 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the WooCommerce PDF Invoices & Packing Slips WordPress plugin that allows unauthorized users to access functionality intended only for authorized users. It affects all WordPress sites using this plugin up to version 4.9.1. Attackers could exploit this to view or manipulate invoice data without proper permissions.

💻 Affected Systems

Products:
  • WooCommerce PDF Invoices & Packing Slips WordPress Plugin
Versions: All versions up to and including 4.9.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the vulnerable plugin version 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

Unauthorized users could access sensitive customer invoice data, modify invoice content, or potentially access other restricted functionality within the plugin.

🟠

Likely Case

Unauthorized users viewing invoice data they shouldn't have access to, potentially exposing customer information and order details.

🟢

If Mitigated

Proper access controls prevent unauthorized access, limiting functionality to authenticated users with appropriate roles.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires some level of access to the WordPress site but bypasses authorization checks within the plugin.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.9.2 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/woocommerce-pdf-invoices-packing-slips/vulnerability/wordpress-woocommerce-pdf-invoices-packing-slips-plugin-4-9-1-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WooCommerce PDF Invoices & Packing Slips'. 4. Click 'Update Now' if available, or download latest version from WordPress repository. 5. Activate updated plugin.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate woocommerce-pdf-invoices-packing-slips

Restrict Access via .htaccess

linux

Add access restrictions to plugin directories

# Add to .htaccess in plugin directory:
Order Deny,Allow
Deny from all
Allow from 127.0.0.1

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can access the WordPress admin interface
  • Enable detailed logging and monitoring for unauthorized access attempts to invoice-related functionality

🔍 How to Verify

Check if Vulnerable:

Check plugin version in WordPress admin under Plugins > Installed Plugins

Check Version:

wp plugin get woocommerce-pdf-invoices-packing-slips --field=version

Verify Fix Applied:

Verify plugin version is 4.9.2 or higher after update

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to invoice generation endpoints
  • Multiple failed authorization attempts followed by successful invoice access

Network Indicators:

  • Unusual patterns of requests to /wp-content/plugins/woocommerce-pdf-invoices-packing-slips/ endpoints

SIEM Query:

source="wordpress" AND (uri="*woocommerce-pdf-invoices*" OR plugin="woocommerce-pdf-invoices-packing-slips") AND (response_code=200 OR action="access")

🔗 References

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