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But hypothetically, the owner of the ad might pop in and make sure

1. the ad looks correct, and

2. the URL is the one they expect

So there may be a use case for a QR code that looks almost identical but goes somewhere else, allowing them to swap it out while someone is looking at it without them realizing.

A niche use case, to be sure, but being able to exploit a niche vulnerability is a skill.



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