A critical chain of vulnerabilities in popular EAs Origin gaming client allows attackers to take over the players account and committing the identity theft against 300 Million EA Gamers. The vulnerability resides in the EA origin game client platform can be exploited by abusing the authentication token that used for abandoned subdomains with the OAuth Single Sign-On (SSO) and users login process Trust mechanism. The attacker steals the SSO Token by sending the specially crafted malicious link to victims, it gives them an active login session, eventually trigger the authentication to hijack the victims account.”]
Source: https://gbhackers.com/ea-account-take-over-vulnerability/