Fusiondirectory 1.3 is vulnerable to Cross Site Scripting (XSS) via /fusiondirectory/index.php?message=[injection], /fusiondirectory/index.php?message=invalidparameter&plug={Injection], /fusiondirectory/index.php?signout=1&message=[injection]&plug=106.
https://yoroi.company/research/cve-advisory-full-disclosure-multiple-vulnerabilities/
https://lists.debian.org/debian-lts-announce/2023/07/msg00009.html