This includes some of our Clients.
Here’s what’s happened since then.
First. W3 Total Cache is a very popular plugin, but it hasn’t been updated in over six months and we stopped using it and recommending it over a year ago.
Our WordPress Support GROW package includes the much more effective WP Rocket, plugin.
Second. We’ve updated our client sites with new secure version! So if you are using this older plugin and have not yet updated to the WP-Rocket plugin your site has been updated to a version of W3 Total Cache that has the XSS vulnerability removed.
We’re really excited about how easy WP-Rocket has been to tweak for all the different options available to WordPress Bloggers and the speed improvements have been spectacular.
Make sure to check it out if you haven’t already.