Provide references for CVE-2021-3309.
Where can I find more information about CVE-2021-3309?
References are available at: https://github.com/wekan/wekan/issues/3482, https://github.com/wekan/wekan/pull/3483/commits/31f89121fecca5a761b05cc3a26d4f237e90b484, https://github.com/wekan/wekan/releases/tag/v4.87.