Zabbix before 3.0.32rc1, 4.x before 4.0.22rc1, 4.1.x through 4.4.x before 4.4.10rc1, and 5.x before 5.0.2rc1 allows stored XSS in the URL Widget.
https://support.zabbix.com/browse/ZBX-18057
https://lists.debian.org/debian-lts-announce/2023/04/msg00013.html
https://lists.debian.org/debian-lts-announce/2021/04/msg00018.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00007.html