InnoGames: Chaining Bugs: Leakage of CSRF token which leads to Stored XSS and Account Takeover (xs1.tribalwars.cash)

The referrer leaked the CSRF code, when opening an embedded PHP file set by the images function in tribe forums. Due to a premium function, which allows players to store and run Javascript scripts during the game, the session ID could be grabbed, as it was mistakenly embedded into the DOM. This...