Square Access Token V2 detected in code

Rule Details

Cortex AppSec Rule ID	APPSEC_SECRET_102
Category	Sensitive Tokens
Severity	MEDIUM
Framework	Git

Impact

The Square Access Token V2 (Application Secret) grants authenticated access to manage payment processing, inventory, and customer data.

Exposure is a Critical Risk that allows an attacker to initiate unauthorized transactions, steal sensitive customer payment or management data, and commit financial fraud.

How to Fix

To remediate exposed API & Service Keys:

1. Log in to the service provider's dashboard.
2. Navigate to the API or credentials settings to locate the exposed key.
3. Rotate or regenerate the compromised key immediately.
4. Update your application configuration or environment variables with the new key.

Next, remove the secret from your codebase:

1. Locate the exposed key in your codebase.
2. Replace the hardcoded value with a secure variable or reference.

Finally, clean your version control history:

1. Permanently remove the sensitive data from your version control history to ensure it cannot be retrieved.