diff --git a/js/legacy.js b/js/legacy.js
index 38f3cb2d..638425aa 100644
--- a/js/legacy.js
+++ b/js/legacy.js
@@ -55,12 +55,43 @@
          * blacklist of UserAgents (parts) known to belong to a bot
          *
          * @private
-         * @enum   {Array}
+         * @type {string[]}
          * @readonly
          */
         var badBotUA = [
+            // Generic bot identifiers
+            'bot',
             'Bot',
-            'bot'
+            'crawler',
+            'Crawler',
+            'spider',
+            'Spider',
+            'scraper',
+            'Scraper',
+            
+            // Search Engines
+            'Mediapartners-Google',
+            'BingPreview',
+            'Yahoo! Slurp',
+            
+            // SEO & Analytics
+            'Screaming Frog',
+            
+            // Social Media
+            'facebookexternalhit',
+            
+            // AI & LLM
+            'ChatGPT-User',
+            'anthropic-ai',
+            
+            // Security Scanners
+            'CensysInspect',
+            'Shodan',
+            
+            // Other Common Crawlers
+            '80legs',
+            'ia_archiver',
+            'Teoma',
         ];
 
         /**
diff --git a/js/privatebin.js b/js/privatebin.js
index 54f72d50..1c2429c1 100644
--- a/js/privatebin.js
+++ b/js/privatebin.js
@@ -3236,7 +3236,7 @@ jQuery.PrivateBin = (function($) {
          * @param {FileList[]} loadedFiles (optional) loaded files array
          * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/FileReader#readAsDataURL()}
          */
-        function readFileData(loadedFiles) {
+        function readFileData(loadedFiles = []) {
             // Clear old cache
             me.removeAttachmentData();
 
@@ -3248,15 +3248,15 @@ jQuery.PrivateBin = (function($) {
                 return;
             }
 
-            if (loadedFiles === undefined) {
-                loadedFiles = [...$fileInput[0].files];
-                me.clearDragAndDrop();
-            } else {
+            if (loadedFiles && loadedFiles.length > 0) {
                 const fileNames = loadedFiles.map((loadedFile => loadedFile.name));
                 printDragAndDropFileNames(fileNames);
+            } else {
+                loadedFiles = [...$fileInput[0].files];
+                me.clearDragAndDrop();
             }
 
-            if (typeof loadedFiles !== 'undefined') {
+            if (loadedFiles.length > 0) {
                 files = loadedFiles;
                 loadedFiles.forEach((loadedFile, index) => {
                     const fileReader = new FileReader();
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 1ac896f9..fcdb4720 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -120,9 +120,9 @@ class Configuration
             'js/dark-mode-switch.js' => 'sha512-BhY7dNU14aDN5L+muoUmA66x0CkYUWkQT0nxhKBLP/o2d7jE025+dvWJa4OiYffBGEFgmhrD/Sp+QMkxGMTz2g==',
             'js/jquery-3.7.1.js'     => 'sha512-v2CJ7UaYy4JwqLDIrZUI/4hqeoQieOmAZNXBeQyjo21dadnwR+8ZaIJVT8EE2iyI61OV8e6M8PP2/4hpQINQ/g==',
             'js/kjua-0.10.0.js'      => 'sha512-BYj4xggowR7QD150VLSTRlzH62YPfhpIM+b/1EUEr7RQpdWAGKulxWnOvjFx1FUlba4m6ihpNYuQab51H6XlYg==',
-            'js/legacy.js'           => 'sha512-rGXYUpIqbFoHAgBXZ0UlJBdNAIMOC9EQ67MG0X46D5uRB8LvwzgKirbSQRGdYfk8I2jsUcm+tvHXYboUnC6DUg==',
+            'js/legacy.js'           => 'sha512-RQEo1hxpNc37i+jz/D9/JiAZhG8GFx3+SNxjYnI7jUgirDIqrCSj6QPAAZeaidditcWzsJ3jxfEj5lVm7ZwTRQ==',
             'js/prettify.js'         => 'sha512-puO0Ogy++IoA2Pb9IjSxV1n4+kQkKXYAEUtVzfZpQepyDPyXk8hokiYDS7ybMogYlyyEIwMLpZqVhCkARQWLMg==',
-            'js/privatebin.js'       => 'sha512-Ln6NW/gCPGV/Ol6EEJUIqGOm5yklpbZ9/C3iexn+ab4bLY62Ke26ZgAz6YuYUH5aHhLhTZkodQQpOK+jdZg2jg==',
+            'js/privatebin.js'       => 'sha512-7/FCSrKeX5DFYbFvJbXdbf5uryunr3sVLFHzbw+iINc85oUXIptI20YxlZdAH4NEqVWXH1VNxB4kAKYRP5Qc1g==',
             'js/purify-3.3.0.js'     => 'sha512-lsHD5zxs4lu/NDzaaibe27Vd2t7Cy9JQ3qDHUvDfb4oZvKoWDNEhwUY+4bT3R68cGgpgCYp8U1x2ifeVxqurdQ==',
             'js/showdown-2.1.0.js'   => 'sha512-WYXZgkTR0u/Y9SVIA4nTTOih0kXMEd8RRV6MLFdL6YU8ymhR528NLlYQt1nlJQbYz4EW+ZsS0fx1awhiQJme1Q==',
             'js/zlib-1.3.1-2.js'     => 'sha512-4gT+v+BkBqdVBbKOO4qKGOAzuay+v1FmOLksS+bMgQ08Oo4xEb3X48Xq1Kv2b4HtiCQA7xq9dFRzxal7jmQI7w==',