Umbraco CMS before 17.7.2 and 18.2.2 Account Takeover via Host Header Poisoning
Umbraco CMS before 17.7.2 and 18.2.2 contains an authentication bypass vulnerability that allows unauthenticated attackers to register attacker-controlled OAuth redirect URIs by poisoning the Host header. Attackers send signed-in users authorization links usi…