In Apache NiFi before 0.7.4 and 1.x before 1.3.0, there are certain user input components in the UI which had been guarding for some forms of XSS issues but were insufficient.Referenceshttp://www.securityfocus.com/bid/99009https://lists.apache.org/thread.html/d779d6129de1a5aa149c219b2fc6e9e78156614eaac92a89cbaf9bce%40%3Cdev.nifi.apache.org%3E