Update the plugin.
pluginvulnerabilities discovered and reported this Arbitrary File Download vulnerability in WordPress Awesome Support Plugin. This could allow a malicious actor to download any file from your website. This includes but is not limited to files that contain login credentials or backup files. This vulnerability has been fixed in version 4.3.2.
Auth. Arbitrary Exported Tickets Download vulnerability
Multiple Authenticated Stored CrossSite Scripting (XSS) vulnerabilities
Multiple Authenticated Reflected CrossSite Scripting (XSS) vulnerabilities
Reflected CrossSite Scripting (XSS) vulnerability
Stored CrossSite Scripting (XSS) vulnerability
Authenticated Arbitrary File Deletion Vulnerability