CVE-2021-29448
Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. The Stored XSS exists in the Pi-hole Admin portal, which can be exploited by the malicious actor with the network access to DNS server. See the referenced GitHub security advisory for patch details.
Date published : 2021-04-15
https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9