Ticket #30421: 30421.2.diff

src/wp-includes/kses.php

@@ -1815 +1815 @@
  */
 function _wp_add_global_attributes( $value ) {
         $global_attributes = array(
+                'aria-describedby' => true,
+                'aria-details' => true,
+                'aria-label' => true,
+                'aria-labelledby' => true,
+                'aria-hidden' => true,
                 'class' => true,
                 'id' => true,
                 'style' => true,