CVE-2017-9303
Laravel 5.4.x before 5.4.22 does not properly constrain the host portion of a password-reset URL, which makes it easier for remote attackers to conduct phishing attacks by specifying an attacker-controlled host.
Date published : 2017-05-29
http://www.securityfocus.com/bid/98776
https://laravel-news.com/laravel-5-4-22-is-now-released-and-includes-a-security-fix