Did you fix the bug in the tixy.land code where one could inject as much code as wanted via location.hash?
Here is the post from when I discovered it:
https://news.ycombinator.com/item?id=24980221
Edit: no, that still works, here is an example:
https://doersino.github.io/tixyz/?code=eval(%27%2F*%27%2Bpar...