1. Add a new link party and add its shortcode to a new post.
2. In a new private window, navigate to the post where you added the shortcode.
3. Click "Add a link" and then enter the PoC for the submission name: "><script>alert(92832)</script>
4. Add an image that is 100x100 (requirement of the plugin).
5. Save and see XSS when the page reloads.