Enfold Security – Suspicious Functions (Unsanitized + Unserialized User Inputs)

Ran a security scan using Defender Pro and the following came back as suspicious functions. Please advise.

ACTIONS.PHP
File location:/wp-content/themes/enfold/config-layerslider/LayerSlider/wp/actions.php

Found 2 issues.

The function file_put_contents line 1027 column 3 execute using unsanitize user inputs

	// Attempt to save changes
	if( is_writable( $upload_dir['basedir'] ) <strong>) {
		file_put_contents( $file, stripslashes( $_POST['contents</strong>'] ) );
		wp_redirect( admin_url( 'admin.php?page=layerslider-options&section=css-editor&edited=1' ) );
		die();

The function file_put_contents line 1056 column 3 execute using unsanitize user inputs

// Attempt to write the file
	if( is_writable( $f<strong>ile ) ) {
		file_put_contents( $file, stripslashes( $_POST['c</strong>ontents'] ) );
		wp_redirect( admin_url( 'admin.php?page=layerslider-options&section=skin-editor&edited=1&skin='.$skin['handle'] ) );
		die();
	} else {
		wp_die( __('It looks like your files isn’t writable, so PHP couldn’t make any changes (CHMOD).', 'LayerSlider'), __('Cannot write to file', 'LayerSlider'), array('back_link' => true) );
	}
}

FUNCTION-SET-AVIA-AJAX.PHP
File Location: /wp-content/themes/enfold/framework/php/function-set-avia-ajax.php

Found 1 issues.

The function unserialize line 629 column 18 unserialize an user inputs

	if(is_array($result))
			{
				$html = new avia_htmlhelper();
				$new_slug = $result['slug'];
				$result = "{avia_ajax_option_page}" .$html->create_container_based_on_slug($result) ."{/avia_ajax_option_page}";
				
				if(isset($_POST['defaul_elements']))
				{	
					$elements = <strong>unserialize( base64_decode( $_POST['defaul_elements'] ) );</strong>
					
					$result .= "{avia_ajax_element}";
					foreach($elements as &$element)
					{
						$element['id']   = $new_slug . $element['id'];
						$element['slug'] = $new_slug;
						
						//create frontend output
						$result .=  $html->render_single_element($element);