Filters applied for widget dropdown menu option in order to filter JavaScript

Official description: Fix – Escaped js in widget layered nav when use the dropdown option.

This vulnerability affects the following application versions:

• WooCommerce 2.2.0
• WooCommerce 2.2.0-RC1
• WooCommerce 2.2.1
• WooCommerce 2.2.2
• WooCommerce 2.2.3
• WooCommerce 2.2.4
• WooCommerce 2.2.5
• WooCommerce 2.2.6
• WooCommerce 2.2.7
• WooCommerce 2.2.8
• WooCommerce 2.2.9
• WooCommerce 2.2.10
• WooCommerce 2.2.11
• WooCommerce 2.3.0
• WooCommerce 2.3.0-RC1
• WooCommerce 2.3.1
• WooCommerce 2.3.2
• WooCommerce 2.3.3
• WooCommerce 2.3.4
• WooCommerce 2.3.5
• WooCommerce 2.3.6
• WooCommerce 2.3.7
• WooCommerce 2.3.8
• WooCommerce 2.3.9
• WooCommerce 2.3.10