Steps to reproduce:
1. Create a web content Structure with an Image field(or choose a Separator).
2. Create a Template that uses the Structure you created in Step 1. The template script can be blank.
3. Create a New Web Content by selecting the Structure.
4. In the New Web Conten, edit a title and upload any image.
The title and the Image field can edit.
The title and the Image field can not edit.