Text element in Footer container

I’m using the Pro footer builder with a text element in one of the containers.
I put this some HubSpot form embed code (a javascript) into it and it broke the footer builder interface. Is this type of code not allowed? I can give you login credentials if you want to see it first hand.

Hi There,

I’ve just tested on my local install and the code is working fine:

Would you mind providing us with your admin account so we can take a closer look?

Thanks