Check nonce in the new bulk_edit_posts action
In order for the nonce verification to work, I needed to replace this: wp_verify_nonce( wp_unslash( $shared_post_data[‘lot_edit_nonce’] ), plugin_basename( __FILE__ ) ) with this: wp_verify_nonce( wp_unslash( $shared_post_data[‘_wpnonce’] ), ‘bulk-posts’ )