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PHP - Prevent client from tampering the ID of a form


PHP - Prevent client from tampering the ID of a form

By : Friday85
Date : November 24 2020, 03:41 PM
wish of those help You'll have to check on the server side if the current user is allowed to edit this entry. Do not try to secure the client side, it is impossible. People will always be able to edit data on their computer, it is your responsibility to control it when it arrives at a place you control.
code :


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In JSF, What is the best way to prevent Form tampering?

In JSF, What is the best way to prevent Form tampering?


By : Chris A
Date : March 29 2020, 07:55 AM
I hope this helps . In JSF 1.x should already not be possible if those fields were set explicitly with required="true". If you omit this and/or replace by a customized validator or do the validation inside bean action method instead, then bots will indeed be able to tamper the form.
So to fix this, add explicitly required="true" to the required fields with a hard server-side value (and thus not e.g. required="#{not empty param.foo}" or so where the client/bot can control the param.foo). As the view state is stored at the server side, there's no way for a webbot to reveal/modify the state.
Prevent tampering with client-side geocoding results

Prevent tampering with client-side geocoding results


By : Richard Lalaz
Date : March 29 2020, 07:55 AM
To fix the issue you can do If you want the client machine to do the request, you are going to be a bit limited in the security aspect of this, as it would all be javascript, and a malicious user could inspect the script and see what you are doing. Therefore even attempts at "securing" it would be limited in success.
My only recommendation would be to do a "final validation" serverside just as the user is submitting their results. This should reduce the API hits on your server side, but will keep the security 100% valid.
cakePHP - prevent form select list tampering

cakePHP - prevent form select list tampering


By : Dan Ketchum
Date : March 29 2020, 07:55 AM
hop of those help? I have a simple form with a couple select inputs. One of which is a gender selections. , Require values to be in a specified list for your Model's validation:
code :
public $validate = array(
    'gender_id' => array(
      'allowed' => array(
      'rule'    => array('inList', array(1, 2)),
      'message' => 'Please select male or female.'
     )
   )
 );
ReactJs - How to prevent users from tampering/modifying equality checks in the client side code

ReactJs - How to prevent users from tampering/modifying equality checks in the client side code


By : user2221187
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further The fact that the user can modify the client-side code shouldn't really matter, as the server-side should be designed around "don't trust the client".
Even if the end-user couldn't see or modify the JS, they could still modify the network requests being sent to the server anyway (e.g. changing the post ID in the delete request to their friend's).
Prevent client-side tampering when using Google Pay JavaScript API

Prevent client-side tampering when using Google Pay JavaScript API


By : user2326238
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , Any data written to a device is subject to be read. When referring to secret in the technological sense, this principle is more prominent on user-facing devices, because these are typically more exposed to other agents and individuals than machines that act as servers.
The transaction information you are passing to loadPaymentData never determines the amount that will finally be charged. What you get back from this call is a payment method that is encrypted with a key that only your processor has, and hence, the payment processor (on the server side) is the only agent who can access this information. The final request to issue the charge continues to happen through a secure call between your server and your processor's.
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