First off, are you sure that example is the name of the file? That seems more like the path with the string of letters/numbers following the final slash is the name of the file itself.

I do not believe any website would save onto the file location of any data uploaded, or at least any respectable one, but rather save the content of the file itself when engaged in a standard handshake. 

If your prefer to side on caution (and yeah, usually better to be safe than sorry) then as I believe the only way to upload a profile image is from the computer directly you can make an alternate or a guest account on the pc. Copy the image over to that account and upload from that destination so instead of the path being (Drive/Users/{his name}/Pictures...) it would be (Drive/Users{different name/guest}/Pictures...)

Hope this helps