diff --git a/js/vendor/jquery/additional-methods.js b/js/vendor/jquery/additional-methods.js
index c9e051d606..908647fd8a 100644
--- a/js/vendor/jquery/additional-methods.js
+++ b/js/vendor/jquery/additional-methods.js
@@ -1,9 +1,9 @@
 /*!
- * jQuery Validation Plugin v1.19.1
+ * jQuery Validation Plugin v1.19.3
  *
  * https://jqueryvalidation.org/
  *
- * Copyright (c) 2019 Jörn Zaefferer
+ * Copyright (c) 2021 Jörn Zaefferer
  * Released under the MIT license
  */
 (function( factory ) {
diff --git a/js/vendor/jquery/jquery.validate.js b/js/vendor/jquery/jquery.validate.js
index 70297bd5c1..4d6a863a7a 100644
--- a/js/vendor/jquery/jquery.validate.js
+++ b/js/vendor/jquery/jquery.validate.js
@@ -1,9 +1,9 @@
 /*!
- * jQuery Validation Plugin v1.19.1
+ * jQuery Validation Plugin v1.19.3
  *
  * https://jqueryvalidation.org/
  *
- * Copyright (c) 2019 Jörn Zaefferer
+ * Copyright (c) 2021 Jörn Zaefferer
  * Released under the MIT license
  */
 (function( factory ) {
@@ -216,18 +216,25 @@ $.extend( $.fn, {
 	}
 } );
 
+// JQuery trim is deprecated, provide a trim method based on String.prototype.trim
+var trim = function( str ) {
+
+	// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/trim#Polyfill
+	return str.replace( /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, "" );
+};
+
 // Custom selectors
 $.extend( $.expr.pseudos || $.expr[ ":" ], {		// '|| $.expr[ ":" ]' here enables backwards compatibility to jQuery 1.7. Can be removed when dropping jQ 1.7.x support
 
 	// https://jqueryvalidation.org/blank-selector/
 	blank: function( a ) {
-		return !$.trim( "" + $( a ).val() );
+		return !trim( "" + $( a ).val() );
 	},
 
 	// https://jqueryvalidation.org/filled-selector/
 	filled: function( a ) {
 		var val = $( a ).val();
-		return val !== null && !!$.trim( "" + val );
+		return val !== null && !!trim( "" + val );
 	},
 
 	// https://jqueryvalidation.org/unchecked-selector/
@@ -1324,7 +1331,7 @@ $.extend( $.validator, {
 
 		// Evaluate parameters
 		$.each( rules, function( rule, parameter ) {
-			rules[ rule ] = $.isFunction( parameter ) && rule !== "normalizer" ? parameter( element ) : parameter;
+			rules[ rule ] = typeof parameter === "function" && rule !== "normalizer" ? parameter( element ) : parameter;
 		} );
 
 		// Clean number parameters
@@ -1336,7 +1343,7 @@ $.extend( $.validator, {
 		$.each( [ "rangelength", "range" ], function() {
 			var parts;
 			if ( rules[ this ] ) {
-				if ( $.isArray( rules[ this ] ) ) {
+				if ( Array.isArray( rules[ this ] ) ) {
 					rules[ this ] = [ Number( rules[ this ][ 0 ] ), Number( rules[ this ][ 1 ] ) ];
 				} else if ( typeof rules[ this ] === "string" ) {
 					parts = rules[ this ].replace( /[\[\]]/g, "" ).split( /[\s,]+/ );
@@ -1423,7 +1430,7 @@ $.extend( $.validator, {
 			// https://gist.github.com/dperini/729294
 			// see also https://mathiasbynens.be/demo/url-regex
 			// modified to allow protocol-relative URLs
-			return this.optional( element ) || /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i.test( value );
+			return this.optional( element ) || /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z0-9\u00a1-\uffff][a-z0-9\u00a1-\uffff_-]{0,62})?[a-z0-9\u00a1-\uffff]\.)+(?:[a-z\u00a1-\uffff]{2,}\.?))(?::\d{2,5})?(?:[/?#]\S*)?$/i.test( value );
 		},
 
 		// https://jqueryvalidation.org/date-method/
@@ -1465,19 +1472,19 @@ $.extend( $.validator, {
 
 		// https://jqueryvalidation.org/minlength-method/
 		minlength: function( value, element, param ) {
-			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
+			var length = Array.isArray( value ) ? value.length : this.getLength( value, element );
 			return this.optional( element ) || length >= param;
 		},
 
 		// https://jqueryvalidation.org/maxlength-method/
 		maxlength: function( value, element, param ) {
-			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
+			var length = Array.isArray( value ) ? value.length : this.getLength( value, element );
 			return this.optional( element ) || length <= param;
 		},
 
 		// https://jqueryvalidation.org/rangelength-method/
 		rangelength: function( value, element, param ) {
-			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
+			var length = Array.isArray( value ) ? value.length : this.getLength( value, element );
 			return this.optional( element ) || ( length >= param[ 0 ] && length <= param[ 1 ] );
 		},
 
diff --git a/package.json b/package.json
index c72264312d..84cd66380a 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "jquery-mousewheel": "3.1.13",
     "jquery-ui": "1.12.1",
     "jquery-ui-timepicker-addon": "1.6.3",
-    "jquery-validation": "1.19.1",
+    "jquery-validation": "1.19.3",
     "jquery.event.drag": "2.2.2",
     "js-cookie": "2.2.1",
     "popper.js": "^1.14.6",
diff --git a/yarn.lock b/yarn.lock
index f9164bf488..8a12e27535 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1186,10 +1186,10 @@ jquery-ui@1.12.1:
   resolved "https://registry.yarnpkg.com/jquery-ui/-/jquery-ui-1.12.1.tgz#bcb4045c8dd0539c134bc1488cdd3e768a7a9e51"
   integrity sha1-vLQEXI3QU5wTS8FIjN0+dop6nlE=
 
-jquery-validation@1.19.1:
-  version "1.19.1"
-  resolved "https://registry.yarnpkg.com/jquery-validation/-/jquery-validation-1.19.1.tgz#a85043467dc2b70d9fff05778646d150e747742f"
-  integrity sha512-QNnrZBqSltWUEJx+shOY5WtfrIb0gWmDjFfQP8rZKqMMSfpRSwEkSqhfHPvDfkObD8Hnv5KHSYI8yg73sVFdqA==
+jquery-validation@1.19.3:
+  version "1.19.3"
+  resolved "https://registry.yarnpkg.com/jquery-validation/-/jquery-validation-1.19.3.tgz#50b350eba8b02bcfd119ba15f199487b7eb64086"
+  integrity sha512-iXxCS5W7STthSTMFX/NDZfWHBLbJ1behVK3eAgHXAV8/0vRa9M4tiqHvJMr39VGWHMGdlkhrtrkBuaL2UlE8yw==
 
 jquery.event.drag@2.2.2:
   version "2.2.2"