The plugin, Variation Swatches for WooCommerce, allowed hackers to access more than 80,000 WP sites! There is a fix available:
https://www.bitdefender.com/blog/hotforsecurity/wordpress-plugin-vulnerability-affected-more-than-80-000-websites-patch-is-now-out/
Good to know information. I no longer use WP, but lots of people do so it's good that they are getting it fixed.