XWiki-Platform vulnerable to stored Cross-site Scripting via the HTML displayer in Live Data

Impact A user without script rights can introduce a stored XSS by using the Live Data macro. For instance: liveData id="movies" properties="title,description" "data": "count": 1, "entries": "title": "Meet John Doe", "url": "https://www.imdb.com/title/tt0033891/", "description": "" , "meta":...