Provide references for CVE-2021-3900.
Where can I find more information about CVE-2021-3900?
References are available at: https://huntr.dev/bounties/909e55b6-ef02-4143-92e4-bc3e8397db76, https://github.com/firefly-iii/firefly-iii/commit/c2c8c42ef3194d1aeba8c48240fe2e9063f77635.