Canvas_fingerprint in m.stripe.network

On 2020-05-22T23:28:00.920869+00:00 we found pattern Canvas_fingerprint, type: User tracking and fingerprinting, (User browser fingerprinting through HTML5 CANVAS element contents) in the page https://m.stripe.network/inner.html#url… referenced from http://kana.mx/ .

Code sample:

b'.createElement("canvas")' … b'.createElement("canvas")' … b'.getContext("2d")' … b'.getContext("2d")' … b'.toDataURL()' … b'String.fromCharCode(' … b'String.fromCharCode('

This feature is experimental so please feel free to contact us if you feel any of the reported issues is a false positive or you want to suggest a pattern that should be detected (we are using Yara standard).