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