Provide references for CVE-2021-39336.
Where can I find more information about CVE-2021-39336?
References are available at: https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39336, https://github.com/BigTiger2020/word-press/blob/main/Job%20Manager.md, https://plugins.trac.wordpress.org/browser/job-manager/trunk/admin-jobs.php#L244.