The Slide Anything WordPress plugin before 2.3.47 does not properly sanitize or escape the slide title before outputting it in the admin pages, allowing a logged in user with roles as low as Author to inject a javascript payload into the slide title even when the unfiltered_html capability is disabled.
https://wpscan.com/vulnerability/2e38b1bb-4410-45e3-87ca-d47a2cce9e22/