diff --git a/src/app/shared/upload/file-dropzone-no-uploader/file-dropzone-no-uploader.component.ts b/src/app/shared/upload/file-dropzone-no-uploader/file-dropzone-no-uploader.component.ts
index 06636f4256e..d2a005c3701 100644
--- a/src/app/shared/upload/file-dropzone-no-uploader/file-dropzone-no-uploader.component.ts
+++ b/src/app/shared/upload/file-dropzone-no-uploader/file-dropzone-no-uploader.component.ts
@@ -63,6 +63,12 @@ export class FileDropzoneNoUploaderComponent implements OnInit {
 
   @HostListener('window:dragover', ['$event'])
   onDragOver(event: any) {
+    // Only show drop area when dragging files, not text selections (fixes Firefox bug)
+    const hasFiles = event.dataTransfer?.types ? Array.from(event.dataTransfer.types).includes('Files') : true;
+
+    if (!hasFiles) {
+      return;
+    }
     // Show drop area on the page
     event.preventDefault();
     if ((event.target as any).tagName !== 'HTML') {
diff --git a/src/app/shared/upload/uploader/uploader.component.ts b/src/app/shared/upload/uploader/uploader.component.ts
index 5033746f6a1..b6dcabb7b02 100644
--- a/src/app/shared/upload/uploader/uploader.component.ts
+++ b/src/app/shared/upload/uploader/uploader.component.ts
@@ -87,6 +87,12 @@ export class UploaderComponent {
   onDragOver(event: any) {
 
     if (this.enableDragOverDocument && this.dragService.isAllowedDragOverPage()) {
+      // Only show drop area when dragging files, not text selections (fixes Firefox bug)
+      const hasFiles = event.dataTransfer?.types ? Array.from(event.dataTransfer.types).includes('Files') : true;
+
+      if (!hasFiles) {
+        return;
+      }
       // Show drop area on the page
       event.preventDefault();
       if ((event.target as any).tagName !== 'HTML') {