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Burp Suite Cookbook by Sunny Wear

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Testing for the circumvention of work flows

Shopping cart to payment gateway interactions must be tested by web app penetration testers to ensure the workflow cannot be performed out of sequence. A payment should never be made unless a verification of the cart contents is checked on the server-side first. In the event this check is missing, an attacker can change the price, quantity, or both, prior to the actual purchase.

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