Provide references for CVE-2021-39186.
Where can I find more information about CVE-2021-39186?
References are available at: https://github.com/miraheze/GlobalNewFiles/security/advisories/GHSA-57p5-hqjq-h7vg, https://github.com/miraheze/GlobalNewFiles/commit/cee254e1b158cdb0ddbea716b1d3edc31fa4fb5d, https://phabricator.miraheze.org/T7935.