The Slider by 10Web WordPress plugin before 1.2.62 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/a98a7f11-4c01-4b91-8adc-465beefa310a/