this post was submitted on 24 Aug 2024
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They can only access it while you're focused on their webpage. CORS is all about that.
If you click off to another web page and enter information or type of password into a secondary app they can't gather that. As soon as they lose focus they lose the ability to capture your data.
Nbd, but it sounds like you’re talking about encapsulation of event capture (viewport stops receiving events after losing focus).
CORS is a protocol for client-side enforcement of a server-side security policy. It ensures that a resource request (e.g. “my-totally-safe-resource.wasm”) only loads from a location your server permits (e.g. “my-valid-origin.biz”, “friends-valid-origin.org”, etc).