CVE-2026-24583
📋 TL;DR
This CVE describes a missing authorization vulnerability in the SumUp Payment Gateway for WooCommerce plugin that allows attackers to bypass access controls. It affects WordPress sites using the SumUp plugin version 2.7.9 and earlier, potentially allowing unauthorized access to payment functionality or administrative features.
💻 Affected Systems
- SumUp Payment Gateway For 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 manipulate payment transactions, access sensitive customer payment data, or modify plugin settings to redirect payments.
Likely Case
Unauthorized users could access payment gateway configuration or perform limited administrative actions within the plugin scope.
If Mitigated
With proper access controls and authentication, impact would be limited to authorized users only.
🎯 Exploit Status
Exploitation likely requires some level of access to the WordPress site, but specific authorization checks are missing.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 2.7.9
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'SumUp Payment Gateway For WooCommerce'. 4. Click 'Update Now' if available, or download latest version from WordPress repository. 5. Activate updated plugin.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the SumUp Payment Gateway plugin until patched
wp plugin deactivate sumup-payment-gateway-for-woocommerce
Restrict plugin access
allUse WordPress security plugins to restrict access to plugin functionality
🧯 If You Can't Patch
- Implement network-level access controls to restrict access to WordPress admin areas
- Enable WordPress security plugins with access control features and monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'SumUp Payment Gateway For WooCommerce' version <= 2.7.9Check Version:
wp plugin get sumup-payment-gateway-for-woocommerce --field=versionVerify Fix Applied:
Verify plugin version is > 2.7.9 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to SumUp plugin endpoints
- Unexpected modifications to payment gateway settings
Network Indicators:
- Unusual requests to /wp-admin/admin-ajax.php or plugin-specific endpoints
SIEM Query:
source="wordpress" AND (uri_path="*sumup*" OR plugin="sumup-payment-gateway-for-woocommerce") AND (user="*" OR auth_failure="true")