CVE-2021-24604

The Availability Calendar WordPress plugin before 1.2.2 does not sanitise or escape its Category Names before outputting them in page/post where the associated shortcode is embed, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed

Date published : 2021-09-20

https://wpscan.com/vulnerability/d084c5b1-45f1-4e7e-b3e9-3c98ae4bce9c