Provide references for CVE-2021-43841.
Where can I find more information about CVE-2021-43841?
References are available at: https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-9jq9-c2cv-pcrj, https://github.com/xwiki/xwiki-platform/commit/5853d492b3a274db0d94d560e2a5ea988a271c62, https://jira.xwiki.org/browse/XWIKI-18368, https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Attachments#HAttachmentdisplayordownload.