CVE-2020-19203

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.

• CWE-79

• https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.htmlVendor Advisory
• https://gist.github.com/dharmeshbaskaran/55d546496bfb0ba28117e846d8b785dbThird Party Advisory
• https://www.netgate.com/assets/downloads/advisories/pfSense-SA-19_04.webgui.ascVendor Advisory
• https://www.pfsense.org/download/Product, Release Notes, Vendor Advisory
• https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.htmlVendor Advisory
• https://gist.github.com/dharmeshbaskaran/55d546496bfb0ba28117e846d8b785dbThird Party Advisory
• https://www.netgate.com/assets/downloads/advisories/pfSense-SA-19_04.webgui.ascVendor Advisory
• https://www.pfsense.org/download/Product, Release Notes, 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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