The JetEngine WordPress plugin before 3.8.12 does not escape a post meta value before outputting it through one of its shortcodes, allowing users with the Contributor role and above to perform Stored Cross-Site Scripting attacks that execute in the context of higher-privileged users such as administrators.
https://wpscan.com/vulnerability/7222601e-4f2b-4dfb-88aa-692a556f3e86/