GHSA-86J7-9J95-VPQJ Better Auth has stored XSS in the auth-server origin via javascript: redirect_uri in oidc-provider and mcp

Am I affected? Check each condition. Users are affected when all of the first three hold. - Their application enables the oidc-provider plugin or the mcp plugin from better-auth/plugins. The mcp plugin wraps the same provider and carries the same defect. Both are on the migration path to...