[librenms/librenms] LibreNMS stored Cross-site Scripting via Schedule Maintenance `Title` parameter

LibreNMS versions 22.8.0 and prior allow attackers to execute arbitrary JavaScript code via the Schedule Maintenance Title parameter. A patch is available and anticipated to be part of version 22.9.0.

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-3231
• https://github.com/librenms/librenms/commit/08050020861230ff96a6507b309cc172a9e70af8
• https://huntr.dev/bounties/bcb6ee68-1452-4fdb-932a-f1031d10984f
• https://github.com/librenms/librenms/pull/14360
• https://github.com/advisories/GHSA-3jh2-wmv7-m932