Impossible to login

Hi, I’m trying to create an account for common voice, but it doesn’t work. I’ve entered my email address and received the link, but when I enter it in my browser (icecat 60), I get redirected to the main page with no message, and the login link is still there (so I assume I’m not connected).

I don’t know if that’s related but the console shows this message:

Content Security Policy: The page’s settings blocked the loading of a resource at self (“script-src”). Source: 
      var errorContainer = document.get....

By the way, I have a mozilla account configured with that email address. Why can’t I connect with that account?