Provide references for CVE-2021-3963.
Where can I find more information about CVE-2021-3963?
References are available at: https://huntr.dev/bounties/3abf308b-7dbd-4864-b1a9-5c45b876def8, https://github.com/kevinpapst/kimai2/commit/95796ab2560ad93f44068a88f0fad758c2053514.