CVE-2021-20729
Cross-site scripting vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions 2.5.2 and earlier, and pfSense Plus software versions 21.05 and earlier) allows a remote attacker to inject an arbitrary script via a malicious URL.
Date published : 2022-03-31
https://docs.netgate.com/downloads/pfSense-SA-21_02.captiveportal.asc