Provide references for CVE-2019-16521.
Where can I find more information about CVE-2019-16521?
References are available at: https://wordpress.org/plugins/broken-link-checker/#developers, https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-02_WordPress_Plugin_Broken_Link_Checker, http://www.openwall.com/lists/oss-security/2019/10/16/3, https://wpvulndb.com/vulnerabilities/9917.