An authenticated Cross-Site Scripting (XSS) vulnerability was found in widgets/widgets/wake_on_lan_widget.php, a component of the pfSense software WebGUI, on version 2.4.4-p2 and earlier. The widget did not encode the descr (description) parameter of wake-on-LAN entries in its output, leading to a possible stored XSS.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-19203
Reference (s):
- https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html
- https://gist.github.com/dharmeshbaskaran/55d546496bfb0ba28117e846d8b785db
- https://www.netgate.com/assets/downloads/advisories/pfSense-SA-19_04.webgui.asc
- https://www.pfsense.org/download/