Several popular WordPress plugins for Stripe have historically suffered from authentication bypasses that allow attackers to place orders using other users' identifiers.
: 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) stripe-bypass.exe
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. stripe-bypass.exe
A critical vulnerability in the n8n automation platform allows unauthenticated parties to trigger workflows by sending forged Stripe webhook events.