CVE-2020-19201

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.

• CWE-79

• https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.htmlProduct, Vendor Advisory
• https://gist.github.com/dharmeshbaskaran/fd3779006361d07651a883e8a040d916Exploit, Third Party Advisory
• https://www.pfsense.org/download/Vendor Advisory
• https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.htmlProduct, Vendor Advisory
• https://gist.github.com/dharmeshbaskaran/fd3779006361d07651a883e8a040d916Exploit, Third Party Advisory
• https://www.pfsense.org/download/Vendor Advisory

Published

Jul 12, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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