How to keep PayPal variables secure

Posted by dclowd9901 on Stack Overflow See other posts from Stack Overflow or by dclowd9901
Published on 2010-05-29T19:39:29Z Indexed on 2010/05/29 19:42 UTC
Read the original article Hit count: 256

Filed under:

php

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html

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forms

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scripting

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paypal

I'm trying to link my 3rd party shopping cart to PayPal, and in the process I'm finding that my variables are extremely exposed, such that, if someone uses, say, Firebug, to manipulate the values of my variables, they can change the cost of the items in the transaction.

I'm very new to online carts and shopping, so my question is how do I keep this layer of exposure away from users and secure for the website?

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