Provide references for CVE-2018-20838.
Where can I find more information about CVE-2018-20838?
References are available at: https://www.wordfence.com/blog/2018/11/xss-injection-campaign-exploits-wordpress-amp-plugin/, https://plugins.trac.wordpress.org/browser/accelerated-mobile-pages/trunk/changelog.txt, https://wordpress.org/plugins/accelerated-mobile-pages/#developers, https://ampforwp.com/critical-security-issues-has-been-fixed-in-0-9-97-20-version/.