Here is a workaround for widgets.php
/* Default Widgets */
function wp_widget_pages( $args ) {
extract( $args );
$options = get_option( 'widget_pages' );
$title = empty( $options['title'] ) ? __( 'Pages' ) : apply_filters('widget_title', $options['title']);
$sortby = empty( $options['sortby'] ) ? 'menu_order' : $options['sortby'];
$exclude = empty( $options['exclude'] ) ? '' : $options['exclude'];
if ( $sortby == 'menu_order' ) {
$sortby = 'menu_order, post_title';
}
$out = wp_list_pages( array('title_li' => '', 'echo' => 0, 'sort_column' => $sortby, 'exclude' => $exclude) );
if ( !empty( $out ) ) {
?>
<?php echo $before_widget; ?>
<?php echo $before_title . '<img src="wp-content/themes/absurd/images/pages.png">' . $after_title; ?>
<ul>
<?php echo $out; ?>
</ul>
<?php echo '<ul><li><a href="https://www.yourblogaddress.com">Home</a></li></ul>'; ?>
<?php echo $after_widget; ?>
<?php
}
}