Provide references for CVE-2021-4170.
Where can I find more information about CVE-2021-4170?
References are available at: https://huntr.dev/bounties/ff395101-e392-401d-ab4f-579c63fbf6a0, https://github.com/janeczku/calibre-web/commit/7ad419dc8c12180e842a82118f4866ac3d074bc5.