MantisBT vulnerable to XSS due to improper escape in manage_plugin_page.php and manage_plugin_uninstall.php
An XSS issue was discovered in MantisBT before 2.25.3. Improper escaping of a Plugin name allows execution of arbitrary code (if CSP allows it) in manage_plugin_page.php and manage_plugin_uninstall.php when a crafted plugin is installed.