Ticket #32508: 32508.3.patch

pluggable.php

@@ -592 +592 @@
                 $user = new WP_Error('authentication_failed', __('<strong>ERROR</strong>: Invalid username or incorrect password.'));
         }
 
-        $ignore_codes = array('empty_username', 'empty_password');
+        $empty_codes = array('empty_username', 'empty_password');
 
-        if (is_wp_error($user) && !in_array($user->get_error_code(), $ignore_codes) ) {
+        if (is_wp_error($user) && !in_array($user->get_error_code(), $empty_codes) ) {
                 /**
                  * Fires after a user login has failed.
                  *
@@ -605 +605 @@
                 do_action( 'wp_login_failed', $username );
         }
 
+        if ( is_wp_error($user) && 'empty_username' === $user->get_error_code() ) {
+                /**
+                 * Fires after a user login has failed due to an empty username.
+                 *
+                 * @since 4.4.0
+                 *
+                 * @param string $username User login.
+                 */
+                do_action( 'wp_login_failed_empty_username', $username );
+        }
+        if ( is_wp_error($user) && 'empty_password' === $user->get_error_code() ) {
+                /**
+                 * Fires after a user login has failed due to an empty password.
+                 *
+                 * @since 4.4.0
+                 */
+                do_action( 'wp_login_failed_empty_password' );
+        }
+
         return $user;
 }
 endif;