GHSA-MR9H-45P9-FG8H Froxlor: Authenticated customers can read other customers' allowed sender aliases

Summary An authenticated customer can read other customers' allowed sender aliases from Froxlor's sender-delete confirmation page when mail.enableallowsender is enabled. customeremail.php loads allowedsender by global auto-increment senderid alone, so a customer can enumerate foreign sender alias...