We got this in our email after a site scan by Wordfence.
https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/revslider/slider-revolution-6718-authenticated-author-stored-cross-site-scripting-via-svg-file-upload
The current and recently updated version we have is version 6.7.17 and this article says that a patched version 6.7.19 is already available. Since we are using the one bundled with your theme, when are we getting the patched version?