I think --- in layman's terms ---
Malicious person tags on malicious content on a picture used as a spray, which is sent from their computer, to the server, to eventually your computer.
I could be wrong but this is just my speculation
Malicious person tags on malicious content on a picture used as a spray, which is sent from their computer, to the server, to eventually your computer.
I could be wrong but this is just my speculation