The Easy Social Icons WordPress plugin before 4.0.3 does not sanitise and escape some of its...

The Easy Social Icons WordPress plugin before 4.0.3 does not sanitise and escape some of its settings before outputting them on front-end pages, which could allow high-privilege users such as Administrators to perform Stored Cross-Site Scripting attacks when the unfiltered_html capability is disallowed, for example on a multisite network.