A Cross-site scripting (XSS) vulnerability was discovered in OPNsense before 21.7.4 via the LDAP attribute return in the authentication tester.
https://opnsense.org/opnsense-21-7-4-released/
https://github.com/orangecertcc/security-research/security/advisories/GHSA-r32j-xgg3-w2rw