Cannot select an image in wysiwyg editor - Mozilla

1. Open 7.1.1 XWiki in Mozilla.
2. Edit a page in wysiwyg editor.
3. Insert an image.
4. Select the image.

Result: - You are not able to select the image in Mozilla.

• The cursor is resized with the image`s height.

Specifications: If you follow the same steps in Chrome, you are able to select the image and the cursor has the static initial size.