The Plugmatter Pricing Table Lite WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the `email` parameter in the ~/license.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.32.
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34659
https://plugins.trac.wordpress.org/browser/plugmatter-pricing-table/trunk/license.php#L123