A message from our CEO about the future of Stack Overflow and Stack Exchange. Read now.
1

as @joe wrote above you need to replace var response = transport.responseJSON || transport.responseText.evalJSON(true) || {}; with: var response = data.responseJSON || data.evalJSON(true) || {}; But, you also need to update the admin helper in app/code/core/Mage/Authorizenet/Helper/Data.php replace public function getRedirectIframeUrl($params) { ...


1

I got it to work by replacing: var response = transport.responseJSON || transport.responseText.evalJSON(true) || {}; with: var response = data.responseJSON || data.evalJSON(true) || {}; Notice that I removed responseText as well.


Only top voted, non community-wiki answers of a minimum length are eligible