EPSS
Percentile
35.0%
ampforwp_save_steps_data in the AMP for WP plugin before 0.9.97.21 for WordPress allows stored XSS.
ampforwp.com/critical-security-issues-has-been-fixed-in-0-9-97-20-version/
plugins.trac.wordpress.org/browser/accelerated-mobile-pages/trunk/changelog.txt
wordpress.org/plugins/accelerated-mobile-pages/#developers
www.wordfence.com/blog/2018/11/xss-injection-campaign-exploits-wordpress-amp-plugin/