FaceSentry Access Control System 6.4.8 Reflected Cross-Site Scripting via pluginInstall.php

FaceSentry Access Control System 6.4.8 contains a cross-site scripting vulnerability in the 'msg' parameter of pluginInstall.php that allows attackers to inject malicious scripts. Attackers can exploit the unvalidated input to execute arbitrary JavaScript in victim browsers, potentially stealing authentication credentials and conducting phishing attacks.