diff --git a/modules/backend/traits/UploadableWidget.php b/modules/backend/traits/UploadableWidget.php
index 1f6c28eda2..28659410f7 100644
--- a/modules/backend/traits/UploadableWidget.php
+++ b/modules/backend/traits/UploadableWidget.php
@@ -26,6 +26,11 @@ trait UploadableWidget
     //  */
     // public $uploadPath;
 
+    /**
+     * @var bool $validateFileName Determines whether the file name should be validated.
+     */
+    public bool $validateMediaFileName = true;
+
     /**
      * Returns the disk that will be used to store the uploaded file
      */
@@ -171,7 +176,7 @@ public function validateMediaFileName(string $fileName, string $extension): stri
         /*
          * File name contains non-latin characters, attempt to slug the value
          */
-        if (!$this->validateFileName($fileName)) {
+        if (!$this->validateFileName($fileName) && $this->validateMediaFileName) {
             $fileName = $this->cleanFileName(File::name($fileName)) . '.' . $extension;
         }
 
diff --git a/modules/backend/widgets/MediaManager.php b/modules/backend/widgets/MediaManager.php
index 067d53a50d..88b0fbbd48 100644
--- a/modules/backend/widgets/MediaManager.php
+++ b/modules/backend/widgets/MediaManager.php
@@ -62,6 +62,7 @@ public function __construct($controller, $alias, $readOnly = false)
     {
         $this->alias = $alias;
         $this->readOnly = $readOnly;
+        $this->validateMediaFileName = Config::get('cms.storage.media.validateMediaFileName', true);
 
         parent::__construct($controller, []);
     }
@@ -109,6 +110,32 @@ public function render(): string
     // AJAX handlers
     //
 
+    /**
+     * Process file uploads submitted via AJAX
+     *
+     * @throws ApplicationException If the file "file_data" wasn't detected in the request or if the file failed to pass validation / security checks
+     */
+    public function onUpload(): ?\Illuminate\Http\Response
+    {
+        ini_set('memory_limit', Config::get('cms.storage.media.memoryLimit', ini_get('memory_limit')));
+
+        if ($this->readOnly) {
+            return null;
+        }
+
+        /**
+         * @event backend.widgets.uploadable.onUpload
+         * Provides an opportunity to process the file upload using custom logic.
+         *
+         * Example usage ()
+         */
+        if ($result = Event::fire('backend.widgets.uploadable.onUpload', [$this], true)) {
+            return $result;
+        }
+
+        return $this->onUploadDirect();
+    }
+
     /**
      * Perform a search with the query specified in the request ("search")
      */
diff --git a/modules/backend/widgets/mediamanager/assets/js/mediamanager.js b/modules/backend/widgets/mediamanager/assets/js/mediamanager.js
index 9c206e6810..40a5ca8b0c 100644
--- a/modules/backend/widgets/mediamanager/assets/js/mediamanager.js
+++ b/modules/backend/widgets/mediamanager/assets/js/mediamanager.js
@@ -732,7 +732,8 @@
             paramName: 'file_data',
             timeout: 0,
             headers: {},
-            createImageThumbnails: false
+            createImageThumbnails: false,
+            maxFilesize: this.options.maxFilesize,
             // fallback: implement method that would set a flag that the uploader is not supported by the browser
         }
 
@@ -837,7 +838,7 @@
     MediaManager.prototype.uploadError = function(file, message) {
         this.updateUploadBar('error', 'progress-bar progress-bar-danger');
 
-        if (file.xhr.status === 413) {
+        if (file?.xhr?.status === 413) {
             message = 'Server rejected the file because it was too large, try increasing post_max_size';
         }
         if (!message) {
@@ -1309,7 +1310,8 @@
         selectSingleImage: 'Please select a single image.',
         selectionNotImage: 'The selected item is not an image.',
         bottomToolbar: false,
-        cropAndInsertButton: false
+        cropAndInsertButton: false,
+        maxFileSize: 0,
     }
 
     var old = $.fn.mediaManager