Provide references for CVE-2021-4302.
Where can I find more information about CVE-2021-4302?
References are available at: https://vuldb.com/?id.217419, https://vuldb.com/?ctiid.217419, https://github.com/slackero/phpwcms/commit/b39db9c7ad3800f319195ff0e26a0981395b1c54, https://github.com/slackero/phpwcms/releases/tag/v1.9.27.