“Clickjacking” is becoming less practical as modern browsers set all cookies to “SameSite: Lax” by default. Even if an attacker site can frame another website, the framed site would be unauthenticated, because cross-site cookies are not sent. This significantly reduces the risk of successful clickjacking attacks, as most interesting functionality on websites typically requires authentication. DoubleClickjacking is a new variation on this classic theme: instead of relying on a single click, it ta...