Title: CVC allows declined payments
Last modified: November 12, 2020

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# CVC allows declined payments

 *  Resolved [Halfhidden](https://wordpress.org/support/users/halfhidden/)
 * (@halfhidden)
 * [5 years, 5 months ago](https://wordpress.org/support/topic/cvc-broken/)
 * Recently noticed that when customers put in a false CVC number at the payment
   gateway with Square the gateway accepts the incorrect details and passes instructions
   to Woocommerce to say the payment was approved and goods are released, but in
   fact the payment had failed.
    I have replicated this and this needs an urgent
   fix.
    -  This topic was modified 5 years, 5 months ago by [Halfhidden](https://wordpress.org/support/users/halfhidden/).

Viewing 5 replies - 1 through 5 (of 5 total)

 *  [Elvira K.](https://wordpress.org/support/users/treibalen/)
 * (@treibalen)
 * [5 years, 4 months ago](https://wordpress.org/support/topic/cvc-broken/#post-13658332)
 * Hi there [@halfhidden](https://wordpress.org/support/users/halfhidden/),
 * Thanks for reaching out!
 * I tried Square in Sandbox mode and it didn’t allow me to complete a payment with
   the wrong CVV number:
 * 
    Link to image: [https://d.pr/i/89p975](https://d.pr/i/89p975)
 * Please contact us at [WooCommerce.com > My Account > Support](https://woocommerce.com/my-account/create-a-ticket/?form=ticket).
   You may need to create an account before you can access that page.
 * Please include a link to this forum thread, so that we can keep track of what’s
   already been done.
 * We will be able to help you further there.
 *  Thread Starter [Halfhidden](https://wordpress.org/support/users/halfhidden/)
 * (@halfhidden)
 * [5 years, 4 months ago](https://wordpress.org/support/topic/cvc-broken/#post-13659752)
 * Thanks for the reply Elvira, but I’m not having any problem replicating this.
   I simply add the wrong CVC and the a receipt is generated through Woocommerce
   saying that the item is paid for. Square does NOT take payment, and the customer
   is told that the payment has gone through.
    Normally, the customer would have
   a fail at the wrong CVC and then redirected to a payment failed page.
 * I have no problem replicating this on a live system.
    We are now starting an 
   audit as we may well have lost hundreds, if not a thew thousand through this 
   bug.
 *  [Elvira K.](https://wordpress.org/support/users/treibalen/)
 * (@treibalen)
 * [5 years, 4 months ago](https://wordpress.org/support/topic/cvc-broken/#post-13672318)
 * Hi there [@halfhidden](https://wordpress.org/support/users/halfhidden/),
 * Thanks for getting back to us!
 * Can you please open a ticket with us per my previous comment? We’d like to take
   a look at the back-end of your site.
 * Cheers!
 *  [Elvira K.](https://wordpress.org/support/users/treibalen/)
 * (@treibalen)
 * [5 years, 4 months ago](https://wordpress.org/support/topic/cvc-broken/#post-13701921)
 * Hi there [@halfhidden](https://wordpress.org/support/users/halfhidden/),
 * We haven’t heard back from you in a while, so I’m going to mark this as resolved–
   if you have any further questions, you can start a new thread.
 *  Thread Starter [Halfhidden](https://wordpress.org/support/users/halfhidden/)
 * (@halfhidden)
 * [5 years, 4 months ago](https://wordpress.org/support/topic/cvc-broken/#post-13703425)
 * Sorry for the delay in getting back to you.
    After a lot of effort I tracked 
   down the issue to a plugin that is a requirement for shop functionality (WooFood)
   and I wasn’t able to disable this plugin to test it as it is deeply in-bedded
   in the woocommerce functionality. I have contacted the author who has published
   a fix with version 2.5.7

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘CVC allows declined payments’ is closed to new replies.

 * ![](https://ps.w.org/woocommerce-square/assets/icon-256x256.png?rev=3234354)
 * [WooCommerce Square](https://wordpress.org/plugins/woocommerce-square/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/woocommerce-square/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/woocommerce-square/)
 * [Active Topics](https://wordpress.org/support/plugin/woocommerce-square/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/woocommerce-square/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/woocommerce-square/reviews/)

 * 5 replies
 * 2 participants
 * Last reply from: [Halfhidden](https://wordpress.org/support/users/halfhidden/)
 * Last activity: [5 years, 4 months ago](https://wordpress.org/support/topic/cvc-broken/#post-13703425)
 * Status: resolved