https://www.wordfence.com/threat-intel/vulnerabilities/id/70c1ee04-cfb1-4819-95ab-497e814da16f?source=cve
https://plugins.trac.wordpress.org/browser/wp-test-email/tags/1.1.7/wp-test-email.php#L189
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3150538%40wp-test-email&new=3150538%40wp-test-email&sfp_email=&sfph_mail =
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