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This is a payment logic vulnerability that can modify the value of payment #15

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Binarytree200 opened this issue Dec 7, 2019 · 0 comments

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@Binarytree200
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First of all, we choose to use points to exchange products. for example you want to exchange this product, you need to use 5 points
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Then we can get the request package.
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We changed the value of the parameter credit to -1.
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We've managed to get this product for free.
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