The Carousel Slider WordPress plugin before 2.2.4 does not sanitise and escape some of its settings, which could allow high privilege users such as editors to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed
The Carousel Slider WordPress plugin before 2.2.11 does not sanitise and escape some parameters, which could allow users with a role as low as editor to perform Cross-Site Scripting attacks
The Carousel Slider WordPress plugin before 2.2.10 does not validate and escape some of its Slide options before outputting them back in the page/post where the related Slide shortcode is embed, which could allow users with the Editor role and above to perform Stored Cross-Site Scripting attacks
The Carousel Slider WordPress plugin before 2.2.7 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)