The Scribble Maps WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the map parameter in the ~/includes/admin.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.2.
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34651
https://plugins.trac.wordpress.org/browser/scribble-maps/trunk/includes/admin.php#L233