The Tracking Code Manager WordPress plugin before 2.3.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
https://wpscan.com/vulnerability/3bfb6b3f-8642-4807-b6b3-f214b26e96c2/