Nintendo: [MK8DX] Improper verification of Competition creation allows to create "Official" competitions

. Introduction This vulnerability impacts: - Mario Kart 8 Deluxe on the Switch - Mario Kart 8 on the WiiU The vulnerability was fixed for Mario Kart 8 Deluxe the 7 December, 2022 with the release of v2.2 or v851968 for the internal version The vulnerability was fixed for Mario Kart 8 the 3 August...