"I'm not really seeing the issue here." "...to modify the content the user copied on its way to the clipboard..." The browser can copy data into your clipboar

"I'm not really seeing the issue here." "...to modify the content the user copied on its way to the clipboard..." The browser can copy data into your clipboard without you requesting anything. Your assumption is that the user hit Ctrl+C and the app augmented the value, which is not the case in my post.