Share This is nasty.
– the developer can change the code without permission of the user
– Nextumi can track the whole readers behavior
If this is an issue for you I would suggest using the “classic” version like I do which is totally contained on your own server. I agree that It’s a risk–more so from if hackers were to get control of their site and could send malicious stuff out than they themselves doing it, but it’s still a risk when you give up control like this.