Provide references for CVE-2021-3767.
Where can I find more information about CVE-2021-3767?
References are available at: https://huntr.dev/bounties/7ec92c85-30eb-4071-8891-6183446ca980, https://github.com/bookstackapp/bookstack/commit/040997fdc4414776bcac06a3cbaac3b26b5e8a64.