Security Exploit Uses Claude's iMessage Integration to Generate Unlimited Stripe Coupons
By
rhavaeis
An everything bagel for the brain. Substantive, layered, well-seasoned.
Summary
The article discusses a security exploit that leverages Claude's iMessage integration to generate unlimited Stripe coupons or execute tools with arbitrary parameters without user notification.
Key quotes
· 2 pulledA few weeks ago, we showed how a straightforward prompt-injection exploit can leak private SQL tables via the Supabase MCP integration in Cursor.
By abusing Claude's iMessage integration, an attacker can mint unlimited Stripe 'coupons' or invoke any tool with arbitrary parameters, without alerting the user.
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