My account hacked or glitched?

So I was trying to log onto my account today and it said someone was logged in. Well at first I thought nothing of it because you know sometimes it's a glitch within crossfire. But as I go to log onto the website all of a sudden it says my password is incorrect. The weird thing is the account has not tried to log on again. The email has also remained the same. And I did not get an email about the password being changed. I also tried to get the information sent to my email but i waited 3 hours and nothing. If someone could help me that would be great.

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