- Fixed HTTP_X_FORWARDED_HOST provided host

src/Extension/UrlExtension.php

@@ -210,9 +210,15 @@ PATTERN;
 
     protected function domain() : string
     {
+        # Forwarded from an SSL connected host
         if ( ! empty($_SERVER['HTTP_X_FORWARDED_PROTO']) || ! empty($_SERVER['HTTP_X_FORWARDED_SSL']) ) {
             $port = "";
         }
+        # Forwarded from another host
+        elseif ( !empty($_SERVER['HTTP_X_FORWARDED_HOST'])) {
+            $port = explode(':', $_SERVER['HTTP_X_FORWARDED_HOST'])[1] ?? "";
+        }
+        # Default
         else {
             $port = $this->isDefaultPort() ? "" : ":" . $_SERVER['SERVER_PORT'];
         }