We'll create fresh WordPress site with Safe SVG installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Safe SVG is the best way to Allow SVG Uploads in WordPress!
It gives you the ability to allow SVG uploads whilst making sure that they’re sanitized to stop SVG/XML vulnerabilities affecting your site. It also gives you the ability to preview your uploaded SVGs in the media library in all views.
add_filter( 'safe_svg_optimizer_enabled', '__return_true' );
Initially a proof of concept for #24251.
SVG Sanitization is done through the following library: https://github.com/darylldoyle/svg-sanitizer.
SVG Optimization is done through the following library: https://github.com/svg/svgo.