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Can you read favicons from JavaScript or from the server side? I know you can set them from JS, don’t know about reading. If so could you use steganography to
by jonsolo 6y ago
Can you read favicons from JavaScript or from the server side? I know you can set them from JS, don’t know about reading.
If so could you use steganography to encode a unique ID into the icon itself, then read it back to retrieve the fingerprint.
- jonasstrehle 6y agoThis idea was indeed my first approach, but favicons on the client side cannot be loaded from the F-Cache via JavaScript, but are ALWAYS requested from the server via get-request, which fortunately thus does not allow fingerprinting. ~jonas
- jonsolo 6y agoMakes sense, and I agree that is good behavior! Thanks for clarifying.