The CITS Support svg, webp Media and TTF,OTF File Upload WordPress plugin before 3.0 does not sanitise uploaded SVG files, which could allow users with a role as low as Author to upload a malicious SVG containing XSS payloads.
https://wpscan.com/vulnerability/47d15f1c-b9ca-494d-be8f-63c30e92f9b8