FriendsOfFlarum OAuth: Unauthenticated account takeover via unverified email trust in Discord OAuth provider

{
                    "vendor": "FriendsOfFlarum",
                    "product": "oauth",
                    "versions": [
                        {
                            "version": "< 1.7.4",
                            "status": "affected"
                        },
                        {
                            "version": ">= 2.0.0-beta.1, < 2.0.0-beta.4",
                            "status": "affected"
                        }
                    ]
                }