diff --git a/common/js/plugins/jquery.fileupload/js/app.js b/common/js/plugins/jquery.fileupload/js/app.js
index 47b4f923b..548a60d31 100755
--- a/common/js/plugins/jquery.fileupload/js/app.js
+++ b/common/js/plugins/jquery.fileupload/js/app.js
@@ -37,7 +37,7 @@
                         // send Blob objects via XHR requests:
                         disableImageResize: /Android(?!.*Chrome)|Opera/
                             .test(window.navigator.userAgent),
-                        maxFileSize: 5000000,
+                        maxFileSize: 999000,
                         acceptFileTypes: /(\.|\/)(gif|jpe?g|png)$/i
                     });
                 }
diff --git a/common/js/plugins/jquery.fileupload/js/jquery.fileupload-image.js b/common/js/plugins/jquery.fileupload/js/jquery.fileupload-image.js
index 0ac993650..266b088de 100755
--- a/common/js/plugins/jquery.fileupload/js/jquery.fileupload-image.js
+++ b/common/js/plugins/jquery.fileupload/js/jquery.fileupload-image.js
@@ -242,7 +242,7 @@
                                     blob.name = file.name;
                                 } else if (file.name) {
                                     blob.name = file.name.replace(
-                                        /\..+$/,
+                                        /\.\w+$/,
                                         '.' + blob.type.substr(6)
                                     );
                                 }
diff --git a/common/js/plugins/jquery.fileupload/js/jquery.fileupload.js b/common/js/plugins/jquery.fileupload/js/jquery.fileupload.js
index e99f3091e..ab0748fc0 100755
--- a/common/js/plugins/jquery.fileupload/js/jquery.fileupload.js
+++ b/common/js/plugins/jquery.fileupload/js/jquery.fileupload.js
@@ -1,5 +1,5 @@
 /*
- * jQuery File Upload Plugin 5.42.2
+ * jQuery File Upload Plugin 5.42.3
  * https://github.com/blueimp/jQuery-File-Upload
  *
  * Copyright 2010, Sebastian Tschan
@@ -277,7 +277,8 @@
             // The following are jQuery ajax settings required for the file uploads:
             processData: false,
             contentType: false,
-            cache: false
+            cache: false,
+            timeout: 0
         },
 
         // A list of options that require reinitializing event listeners and/or
@@ -983,7 +984,10 @@
                 fileSet,
                 i,
                 j = 0;
-            if (limitSize && (!filesLength || files[0].size === undefined)) {
+            if (!filesLength) {
+                return false;
+            }
+            if (limitSize && files[0].size === undefined) {
                 limitSize = undefined;
             }
             if (!(options.singleFileUploads || limit || limitSize) ||
@@ -1344,18 +1348,19 @@
         _initDataAttributes: function () {
             var that = this,
                 options = this.options,
-                clone = $(this.element[0].cloneNode(false)),
-                data = clone.data();
-            // Avoid memory leaks:
-            clone.remove();
+                data = this.element.data();
             // Initialize options set via HTML5 data-attributes:
             $.each(
-                data,
-                function (key, value) {
-                    var dataAttributeName = 'data-' +
-                        // Convert camelCase to hyphen-ated key:
-                        key.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
-                    if (clone.attr(dataAttributeName)) {
+                this.element[0].attributes,
+                function (index, attr) {
+                    var key = attr.name.toLowerCase(),
+                        value;
+                    if (/^data-/.test(key)) {
+                        // Convert hyphen-ated key to camelCase:
+                        key = key.slice(5).replace(/-[a-z]/g, function (str) {
+                            return str.charAt(1).toUpperCase();
+                        });
+                        value = data[key];
                         if (that._isRegExpOption(key, value)) {
                             value = that._getRegExp(value);
                         }