The Easy Forms for Mailchimp WordPress plugin before 6.8.7 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
- https://wpscan.com/vulnerability/5f37cbf3-2388-4582-876c-6a7b0943c2a7
- https://github.com/20142995/nuclei-templates