diff --git a/README.md b/README.md
index f561048..276bd8a 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,8 @@
 **Donate link:** https://www.paypal.me/BrainstormForce  
 **Tags:** schema markup, structured data, rich snippets, schema.org, Microdata, schema  
 **Requires at least:** 3.7  
-**Tested up to:** 5.5  
-**Stable tag:** 1.6.3  
+**Tested up to:** 5.5.1
+**Stable tag:** 1.6.4
 **License:** GPLv2 or later  
 **License URI:** http://www.gnu.org/licenses/gpl-2.0.html  
 Boost CTR. Improve SEO & Rankings. Supports most of the content type. Works perfectly with Google, Bing, Yahoo & Facebook.
@@ -80,6 +80,11 @@ Review, Event, People, Product, Recipe, Software Application, Video, Articles et
 
 ## Changelog ##
 
+### 1.6.4 ###
+- Improvement - Hardened the security of the plugin.
+- Fixed - Reset functionality was not working in the backend settings.
+- Fixed - Console warning jquery-fn-load-is-deprecated.
+
 ### 1.6.3 ###
 - Improvement - Compatibility with WordPress 5.5.
 - Improvement - Updated the Hashchange jquery.
diff --git a/admin/index.php b/admin/index.php
index cb4a168..56cd9b8 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -936,7 +936,7 @@ function rich_snippet_dashboard() {
 	} else {
 		foreach ( array( 'review_title', 'item_reviewer', 'review_date', 'item_name', 'item_rating' ) as $option ) {
 			if ( isset( $_POST[ $option ] ) ) {
-				$args[ $option ] = esc_attr( $_POST[ $option ] );
+				$args[ $option ] = sanitize_text_field( $_POST[ $option ] );
 			}
 		}
 		$status = update_option( 'bsf_review', $args );
@@ -951,7 +951,7 @@ function rich_snippet_dashboard() {
 	} else {
 		foreach ( array( 'snippet_title', 'event_title', 'event_location', 'event_performer', 'start_time', 'end_time', 'event_desc', 'events_price' ) as $option ) {
 			if ( isset( $_POST[ $option ] ) ) {
-				$args[ $option ] = esc_attr( $_POST[ $option ] );
+				$args[ $option ] = sanitize_text_field( $_POST[ $option ] );
 			}
 		}
 		$status = update_option( 'bsf_event', $args );
@@ -966,7 +966,7 @@ function rich_snippet_dashboard() {
 	} else {
 		foreach ( array( 'snippet_title', 'person_name', 'person_nickname', 'person_job_title', 'person_website', 'person_company', 'person_address' ) as $option ) {
 			if ( isset( $_POST[ $option ] ) ) {
-				$args[ $option ] = esc_attr( $_POST[ $option ] );
+				$args[ $option ] = sanitize_text_field( $_POST[ $option ] );
 			}
 		}
 		$status = update_option( 'bsf_person', $args );
@@ -981,7 +981,7 @@ function rich_snippet_dashboard() {
 	} else {
 		foreach ( array( 'snippet_title', 'product_rating', 'product_brand', 'product_name', 'product_agr', 'product_price', 'product_avail' ) as $option ) {
 			if ( isset( $_POST[ $option ] ) ) {
-				$args[ $option ] = esc_attr( $_POST[ $option ] );
+				$args[ $option ] = sanitize_text_field( $_POST[ $option ] );
 			}
 		}
 		$status = update_option( 'bsf_product', $args );
@@ -996,7 +996,7 @@ function rich_snippet_dashboard() {
 	} else {
 		foreach ( array( 'snippet_title', 'recipe_name', 'author_name', 'recipe_pub', 'recipe_prep', 'recipe_cook', 'recipe_time', 'recipe_desc', 'recipe_rating' ) as $option ) {
 			if ( isset( $_POST[ $option ] ) ) {
-				$args[ $option ] = esc_attr( $_POST[ $option ] );
+				$args[ $option ] = sanitize_text_field( $_POST[ $option ] );
 			}
 		}
 		$status = update_option( 'bsf_recipe', $args );
@@ -1011,7 +1011,7 @@ function rich_snippet_dashboard() {
 	} else {
 		foreach ( array( 'snippet_title', 'software_rating', 'software_agr', 'software_price', 'software_name', 'software_os', 'software_website' ) as $option ) {
 			if ( isset( $_POST[ $option ] ) ) {
-				$args[ $option ] = esc_attr( $_POST[ $option ] );
+				$args[ $option ] = sanitize_text_field( $_POST[ $option ] );
 			}
 		}
 		$status = update_option( 'bsf_software', $args );
@@ -1026,7 +1026,7 @@ function rich_snippet_dashboard() {
 	} else {
 		foreach ( array( 'snippet_title', 'video_title', 'video_desc', 'video_time', 'video_date' ) as $option ) {
 			if ( isset( $_POST[ $option ] ) ) {
-				$args[ $option ] = esc_attr( $_POST[ $option ] );
+				$args[ $option ] = sanitize_text_field( $_POST[ $option ] );
 			}
 		}
 		$status = update_option( 'bsf_video', $args );
@@ -1041,7 +1041,7 @@ function rich_snippet_dashboard() {
 	} else {
 		foreach ( array( 'snippet_title', 'article_name', 'article_author', 'article_desc', 'article_image', 'article_publisher', 'article_publisher_logo' ) as $option ) {
 			if ( isset( $_POST[ $option ] ) ) {
-				$args[ $option ] = esc_attr( $_POST[ $option ] );
+				$args[ $option ] = sanitize_text_field( $_POST[ $option ] );
 			}
 		}
 		$status = update_option( 'bsf_article', $args );
@@ -1056,7 +1056,7 @@ function rich_snippet_dashboard() {
 	} else {
 		foreach ( array( 'snippet_title', 'service_type', 'service_area', 'service_desc', 'service_provider_name', 'provider_location', 'service_rating', 'service_channel', 'service_url_link' ) as $option ) {
 			if ( isset( $_POST[ $option ] ) ) {
-				$args[ $option ] = esc_attr( $_POST[ $option ] );
+				$args[ $option ] = sanitize_text_field( $_POST[ $option ] );
 			}
 		}
 		$status = update_option( 'bsf_service', $args );
@@ -1121,7 +1121,7 @@ function display_status( $status ) {
  * @param  string $option_to_reset .
  */
 function bsf_reset_options( $option_to_reset ) {
-	require_once dirname( esc_html__FILEesc_html__ ) . '/../settings.php';
+	require_once AIOSRS_PRO_DIR . '/settings.php';
 	if ( 'review' == $option_to_reset ) {
 		add_review_option();
 	}
diff --git a/index.php b/index.php
index e3b5ccf..b4a79b0 100644
--- a/index.php
+++ b/index.php
@@ -5,7 +5,7 @@
  * Author: Brainstorm Force
  * Author URI: https://www.brainstormforce.com
  * Description: Welcome to the Schema - All In One Schema Rich Snippets! You can now easily add schema markup on various * pages and posts of your website. Implement schema types such as Review, Events, Recipes, Article, Products, Services * *etc.
- * Version: 1.6.3
+ * Version: 1.6.4
  * Text Domain: rich-snippets
  * License: GPL2
  *
@@ -38,6 +38,7 @@ public function __construct() {
 			register_activation_hook( __FILE__, array( $this, 'register_bsf_settings' ) );
 			add_action( 'admin_init', array( $this, 'aiosrs_admin_redirect' ) );
 			add_action( 'admin_head', array( $this, 'star_icons' ) );
+			$this->define_constants();
 			// Add Admin Menu.
 			add_action( 'admin_menu', array( $this, 'register_custom_menu_page' ) );
 			add_action( 'admin_init', array( $this, 'set_styles' ) );
@@ -56,6 +57,17 @@ public function __construct() {
 			add_action( 'admin_bar_menu', array( $this, 'aiosrs_admin_bar' ), 100 );
 		}
 
+		/**
+		 * Defines all constants
+		 */
+		public function define_constants() {
+			define( 'AIOSRS_PRO_FILE', __FILE__ );
+			define( 'AIOSRS_PRO_BASE', plugin_basename( AIOSRS_PRO_FILE ) );
+			define( 'AIOSRS_PRO_DIR', plugin_dir_path( AIOSRS_PRO_FILE ) );
+			define( 'AIOSRS_PRO_URI', plugins_url( '/', AIOSRS_PRO_FILE ) );
+			define( 'AIOSRS_PRO_VER', '1.6.4' );
+		}
+
 		/**
 		 * Admin bar menu.
 		 */
@@ -316,11 +328,11 @@ public function submit_color() {
 					print esc_attr( 'Sorry, your nonce did not verify.' );
 					exit;
 				} else {
-					$snippet_box_bg   = esc_attr( $_POST['snippet_box_bg'] );
-					$snippet_title_bg = esc_attr( $_POST['snippet_title_bg'] );
-					$border_color     = esc_attr( $_POST['snippet_border'] );
-					$title_color      = esc_attr( $_POST['snippet_title_color'] );
-					$box_color        = esc_attr( $_POST['snippet_box_color'] );
+					$snippet_box_bg   = sanitize_text_field( $_POST['snippet_box_bg'] );
+					$snippet_title_bg = sanitize_text_field( $_POST['snippet_title_bg'] );
+					$border_color     = sanitize_text_field( $_POST['snippet_border'] );
+					$title_color      = sanitize_text_field( $_POST['snippet_title_color'] );
+					$box_color        = sanitize_text_field( $_POST['snippet_box_color'] );
 					$color_opt        = array(
 						'snippet_box_bg'      => $snippet_box_bg,
 						'snippet_title_bg'    => $snippet_title_bg,
@@ -375,9 +387,9 @@ public function bsf_color_scripts() {
 	require_once plugin_dir_path( __FILE__ ) . '/lib/notices/class-astra-notices.php';
 }
 			// BSF Analytics library.
-			if ( ! class_exists( 'BSF_Analytics_Loader' ) ) {
-				require_once plugin_dir_path( __FILE__ ) . 'admin/bsf-analytics/class-bsf-analytics-loader.php';
-			}
+if ( ! class_exists( 'BSF_Analytics_Loader' ) ) {
+	require_once plugin_dir_path( __FILE__ ) . 'admin/bsf-analytics/class-bsf-analytics-loader.php';
+}
 
 			$bsf_analytics = BSF_Analytics_Loader::get_instance();
 
@@ -391,9 +403,9 @@ public function bsf_color_scripts() {
 					),
 				)
 			);
-	add_filter( 'bsf_meta_boxes', 'bsf_metaboxes' );
-// Instantiating the Class.
-if ( class_exists( 'RichSnippets' ) ) {
-	$richsnippets = new RichSnippets();
-}
-?>
+			add_filter( 'bsf_meta_boxes', 'bsf_metaboxes' );
+			// Instantiating the Class.
+			if ( class_exists( 'RichSnippets' ) ) {
+				$richsnippets = new RichSnippets();
+			}
+			?>
diff --git a/init.php b/init.php
index d6ac28b..119be75 100644
--- a/init.php
+++ b/init.php
@@ -506,7 +506,7 @@ public function save( $post_id ) {
 				$name = esc_attr( $field['id'] ) . '_id';
 				$old  = get_post_meta( $post_id, $name, ! $field['multiple'] /* If multicheck this can be multiple values */ );
 				if ( isset( $field['save_id'] ) && $field['save_id'] ) {
-					$new = isset( $_POST[ $name ] ) ? esc_attr( $_POST[ $name ] ) : null;
+					$new = isset( $_POST[ $name ] ) ? sanitize_text_field( $_POST[ $name ] ) : null;
 				} else {
 					$new = '';
 				}
diff --git a/js/toggle.js b/js/toggle.js
index bee9fae..1f4a7d3 100644
--- a/js/toggle.js
+++ b/js/toggle.js
@@ -5,7 +5,7 @@ jQuery(document).ready(function() {
 		hidden();
 	else
 		expand_default(selected);
-	jQuery( window ).load(function() {
+	jQuery(window).on('load',function () {
 		if(item_type == "none")
 			item_hidden();
 		else if(selected != "1" && item_type != "none")
diff --git a/languages/all-in-one-schemaorg-rich-snippets.pot b/languages/all-in-one-schemaorg-rich-snippets.pot
index 01d6e12..b8b4650 100644
--- a/languages/all-in-one-schemaorg-rich-snippets.pot
+++ b/languages/all-in-one-schemaorg-rich-snippets.pot
@@ -2,10 +2,10 @@
 # This file is distributed under the GPL2.
 msgid ""
 msgstr ""
-"Project-Id-Version: Schema - All In One Schema Rich Snippets 1.6.3\n"
+"Project-Id-Version: Schema - All In One Schema Rich Snippets 1.6.4\n"
 "Report-Msgid-Bugs-To: "
 "https://wordpress.org/support/plugin/all-in-one-schemaorg-rich-snippets\n"
-"POT-Creation-Date: 2020-08-18 11:37:36+00:00\n"
+"POT-Creation-Date: 2020-10-14 07:30:50+00:00\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -632,19 +632,19 @@ msgstr ""
 msgid "Ratings updated successfully !"
 msgstr ""
 
-#: index.php:302
+#: index.php:314
 msgid "Thank you!"
 msgstr ""
 
-#: index.php:302
+#: index.php:314
 msgid "Something went wrong!"
 msgstr ""
 
-#: index.php:331
+#: index.php:343
 msgid "Settings saved !"
 msgstr ""
 
-#: index.php:331
+#: index.php:343
 msgid "Error occured. Settings were not saved !"
 msgstr ""
 
diff --git a/package-lock.json b/package-lock.json
index 53d7e44..96e9ee0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "all-in-one-schemaorg-rich-snippets",
-  "version": "1.5.2",
+  "version": "1.6.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 67f0856..8194595 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "all-in-one-schemaorg-rich-snippets",
-  "version": "1.5.2",
+  "version": "1.6.4",
   "main": "Gruntfile.js",
   "author": "Brainstorm Force",
   "devDependencies": {
diff --git a/readme.txt b/readme.txt
index 66492bc..f66f3ba 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,8 +3,8 @@ Contributors: brainstormforce
 Donate link: https://www.paypal.me/BrainstormForce
 Tags: schema markup, structured data, rich snippets, schema.org, Microdata, schema
 Requires at least: 3.7
-Tested up to: 5.5
-Stable tag: 1.6.3
+Tested up to: 5.5.1
+Stable tag: 1.6.4
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 Boost CTR. Improve SEO & Rankings. Supports most of the content type. Works perfectly with Google, Bing, Yahoo & Facebook.
@@ -80,6 +80,11 @@ Review, Event, People, Product, Recipe, Software Application, Video, Articles et
 
 == Changelog ==
 
+= 1.6.4 =
+- Improvement - Hardened the security of the plugin.
+- Fixed - Reset functionality was not working in the backend settings.
+- Fixed - Console warning jquery-fn-load-is-deprecated.
+
 = 1.6.3 =
 - Improvement - Compatibility with WordPress 5.5.
 - Improvement - Updated the Hashchange jquery.