CVE-2026-0939
📋 TL;DR
The Rede Itaú for WooCommerce WordPress plugin has a vulnerability that allows unauthenticated attackers to manipulate WooCommerce order statuses. Attackers can mark unpaid orders as paid or change failed orders, potentially causing financial loss and order fulfillment issues. This affects all WordPress sites using the plugin up to version 5.1.2.
💻 Affected Systems
- Rede Itaú for WooCommerce 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 mark all unpaid orders as paid, causing merchants to ship products without receiving payment, leading to significant financial losses and inventory depletion.
Likely Case
Selective manipulation of high-value orders to obtain products without payment, combined with potential reputation damage from order fulfillment issues.
If Mitigated
Limited impact with proper monitoring and validation controls, though some order status confusion may still occur.
🎯 Exploit Status
The vulnerability is in payment callback handling and requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.1.3 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3200000%40woo-rede&new=3200000%40woo-rede
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Rede Itaú for WooCommerce' and click 'Update Now'. 4. Verify plugin version is 5.1.3 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate woo-rede
Restrict Payment Callback Endpoints
linuxBlock access to vulnerable callback endpoints via web application firewall or .htaccess
# Add to .htaccess:
RewriteCond %{REQUEST_URI} ^/wc-api/lkn_integration_rede_for_woocommerce_wc_endpoint
RewriteRule .* - [F]
🧯 If You Can't Patch
- Implement manual order verification process before shipping
- Enable detailed logging of all order status changes and monitor for suspicious patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Rede Itaú for WooCommerce' version 5.1.2 or lowerCheck Version:
wp plugin list --name='Rede Itaú for WooCommerce' --field=versionVerify Fix Applied:
Verify plugin version is 5.1.3 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Multiple order status changes from 'pending' to 'processing' or 'completed' without corresponding payment transactions
- Order status changes originating from unexpected IP addresses
Network Indicators:
- HTTP POST requests to /wc-api/lkn_integration_rede_for_woocommerce_wc_endpoint without valid payment gateway signatures
SIEM Query:
source="wordpress.log" AND "order status changed" AND ("pending" OR "failed") AND ("processing" OR "completed") AND NOT "payment complete"🔗 References
- https://plugins.trac.wordpress.org/browser/woo-rede/tags/5.1.2/Includes/LknIntegrationRedeForWoocommerceWcEndpoint.php#L45
- https://plugins.trac.wordpress.org/browser/woo-rede/tags/5.1.2/Includes/LknIntegrationRedeForWoocommerceWcEndpoint.php#L460
- https://plugins.trac.wordpress.org/browser/woo-rede/tags/5.1.2/Includes/LknIntegrationRedeForWoocommerceWcEndpoint.php#L710
- https://www.wordfence.com/threat-intel/vulnerabilities/id/722c666b-913f-4289-82e6-30aa0a3abc2b?source=cve
