Provide references for CVE-2021-3683.
Where can I find more information about CVE-2021-3683?
References are available at: https://github.com/star7th/showdoc/commit/67093c879a6563aa6ee08003177777d1975e2351, https://huntr.dev/bounties/063a339a-5d78-40d6-a96a-6716960e8134.