: Attackers manipulate user-controlled keys to bypass authorization checks, enabling them to make purchases through a victim's unique Stripe identifier. 3. n8n Stripe Trigger Node (CVE-2026-21894)
Several popular WordPress plugins for Stripe have historically suffered from authentication bypasses that allow attackers to place orders using other users' identifiers.
The most prominent "Stripe bypass" in recent security advisories involves forging webhooks when a server is misconfigured with an empty StripeWebhookSecret . stripe-bypass.exe
: An attacker creates a "pending" order, then sends a forged checkout.session.completed POST request to the application's webhook endpoint.
: If an application (like new-api ) has a null or empty webhook secret by default, an attacker can generate their own HMAC-SHA256 signature using an empty key. The most prominent "Stripe bypass" in recent security
: Any HTTP client knowing the webhook URL can influence downstream business logic by faking subscription or payment events. 4. Potential Malware or False Positives
If you have a physical file named stripe-bypass.exe , it is highly likely to be one of the following: : Any HTTP client knowing the webhook URL
: The application verifies the forged signature as legitimate, marks the order as paid, and grants the user credits or digital products without any real payment occurring. 2. Authentication Bypass in WordPress/WooCommerce Plugins