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Canvas data extraction



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Could you send or PM me the details of what you're seeing, or how you're able to find it's doing this?  I can open a ticket with Invision Community.  Could you send the details?


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PM sent, I guess the easiest way to verify this is to install an addon like CanvasBlocker. You should see a notification about a canvas read attempt upon visiting the forum. As said probably not malicious but connected to either the device recognition feature or the SpamFirewall but as this can neither be detected nor mitigated by the average user it would be interesting to know for sure. Never seen this used in a forum so far but it is becoming increasingly common in shopping and blogging sites.

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