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Hmm, I don't get it. In this case I'm the merchant as well. I'm just testing few things before launching the e-shop. I do require the CVV on the page because that's how the payment gateway recommended it. Can this be considered a vulnerability?Ionică Bizău– Ionică Bizău2016-12-13 15:01:11 +00:00Commented Dec 13, 2016 at 15:01
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You should work with your processor / payment gateway, as it seems that you're not actually validating that CVV. Ask them why, find out your options for correcting it. The world's oldest vulnerability is being exhibited here - the system behaving as implemented, and not as you thought it was implemented :).gowenfawr– gowenfawr2016-12-13 15:18:43 +00:00Commented Dec 13, 2016 at 15:18
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Based on the update, it sounds like the bank is the one failing to validate the CVV. I'd probably email the bank to let them know—they probably have a security email published somewhere. They'll either fix the issue or ignore it, but you'll have notified them about it.demize– demize2016-12-13 20:57:47 +00:00Commented Dec 13, 2016 at 20:57
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