CVE-2022-29254 Failed payment recorded has completed in silverstripe/silverstripe-omnipay

silverstripe-omnipay is a SilverStripe integration with Omnipay PHP payments library. For a subset of Omnipay gateways those that use intermediary states like isNotification or isRedirect, if the payment identifier or success URL is exposed it is possible for payments to be prematurely marked as...