https://www.wordfence.com/threat-intel/vulnerabilities/id/cb62eefe-9993-43f7-b3ae-de47c0951bee?source=cve
https://plugins.trac.wordpress.org/browser/wpcodefactory-helper/tags/1.7.0/includes/class-alg-wpcodefactory-helper-site-key-manager.php#L350
https://plugins.trac.wordpress.org/changeset/3150715/wpcodefactory-helper/tags/1.7.1/includes/class-alg-wpcodefactory-helper-site-key-manager.php
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