Provide references for CVE-2021-3758.
Where can I find more information about CVE-2021-3758?
References are available at: https://huntr.dev/bounties/a8d7fb24-9a69-42f3-990a-2db93b53f76b, https://github.com/bookstackapp/bookstack/commit/bee5e2c7ca637d034c6985c0328cef0ce068778e.