A Stored Cross-Site Scripting (XSS) vulnerability was found in status_filter_reload.php, a page in the pfSense software WebGUI, on Netgate pfSense version 2.4.4-p2 and earlier. The page did not encode output from the filter reload process, and a stored XSS was possible via the descr (description) parameter on NAT rules.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-19201
Reference (s):
- https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html
- https://gist.github.com/dharmeshbaskaran/fd3779006361d07651a883e8a040d916
- https://www.pfsense.org/download/