Description of the issue:
Unable to login while it’s possible on their other website (https://uptobox.com/)
Exact URL of the website in question:
https://uptostream.com/login?referer=homepage
Did the issue present with default Shields settings? (yes/no)
Yes
Does the site function as expected when Shields are turned off?
No
Is there a specific Shields configuration that causes the site to break? If so, tell us that configuration. (yes/no):
IDK
Does the site work as expected when using Chrome?
Yes, it does work perfectly
Brave version (check About Brave):
[Version 1.13.86 Chromium: 85.0.4183.102]