The WP Fountain WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of $_SERVER['PHP_SELF'] in the ~/wp-fountain.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.5.9.Creditsp7e4Referenceshttps://www.wordfence.com/vulnerability-advisories/#CVE-2021-34653https://plugins.trac.wordpress.org/browser/wp-fountain/trunk/wp-fountain.php#L123
