Cannot log in via Twitter/X

[mbiesiad]

Hi,

Repro steps:
Navigate to https://ctftime.org/login/ and select Enter using Twitter
Error HTTP Error 403: Forbidden

Screenshot:

What is the reason? It is not the first time. Quick example #460
Week ago worked fine.

Best,

[mbiesiad]

The same with upper right https://ctftime.org/login/#loginModal and Twitter/X icon click.