The Skaut bazar WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of $_SERVER['PHP_SELF'] in the ~/skaut-bazar.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.3.2.
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34643
https://plugins.trac.wordpress.org/browser/skaut-bazar/tags/1.3.2/skaut-bazar.php#L657