CVE-2020-19203

Description

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.08% Top 25%
Vendor Advisory netgate.com Vendor Advisory netgate.com Vendor Advisory pfsense.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.pfsense.org/download/ release notes product vendor advisory
https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html vendor advisory
https://gist.github.com/dharmeshbaskaran/55d546496bfb0ba28117e846d8b785db third party advisory
https://www.netgate.com/assets/downloads/advisories/pfSense-SA-19_04.webgui.asc vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-19203?
CVE-2020-19203 has been scored as a medium severity vulnerability.
How to fix CVE-2020-19203?
To fix CVE-2020-19203, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-19203 being actively exploited in the wild?
It is possible that CVE-2020-19203 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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