Provide references for CVE-2021-31783.
Where can I find more information about CVE-2021-31783?
References are available at: https://piwigo.org/ext/index.php?cid=null, https://github.com/Piwigo/LocalFilesEditor/issues/2, https://github.com/Piwigo/LocalFilesEditor/commit/dda691d3e45bfd166ac175c70bd8b91cb4917b6b.