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Why Cursor Stripe Webhooks Accept Fake Payments (CWE-345)

This story is from 2026-10-12. It is preserved in the archive; the latest stories are on the live feed.

TL;DR AI editors often "fix" the Stripe error No signatures found matching the expected signature for payload by making signature verification optional, so the webhook accepts any POST. Anyone who finds the endpoint can send a fake checkout.session.completed event and give themselves a paid plan. T…

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  1. 2026-10-12 16:58 · DEV Community — AI
    Why Cursor Stripe Webhooks Accept Fake Payments (CWE-345)

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