In clearFilter() in utilities.php in Cacti before 1.2.3, no escaping occurs before printing out the value of the SNMP community string (SNMP Options) in the View poller cache, leading to XSS.
https://lists.debian.org/debian-lts-announce/2022/03/msg00038.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00017.html