Provide references for CVE-2021-4119.
Where can I find more information about CVE-2021-4119?
References are available at: https://huntr.dev/bounties/135f2d7d-ab0b-4351-99b9-889efac46fca, https://github.com/bookstackapp/bookstack/commit/e765e618547c92f4e0b46caca6fb91f0174efd99.