Ticket #44512: patch.diff

wp-login.php

@@ -584 +584 @@
                  */
                 $redirect_to = apply_filters( 'lostpassword_redirect', $lostpassword_redirect );
 
-                /**
-                 * Fires before the lost password form.
-                 *
-                 * @since 1.5.1
-                 */
-                do_action( 'lost_password' );
+            /**
+            * Fires before the lost password form.
+            *
+            * @since 1.5.1
+            *
+            * @since 5.0.0 Added the `$errors` parameter.
+            *
+            * @param WP_Error $errors A WP_Error object containing any errors generated
+            *                         by using invalid credentials.
+            */
+            do_action( 'lost_password', $errors );
 
                 login_header( __( 'Lost Password' ), '<p class="message">' . __( 'Please enter your username or email address. You will receive a link to create a new password via email.' ) . '</p>', $errors );