One way we help to improve the security of WordPress plugins, not just for our customers of our service, but for everyone using them, is our proactive monitoring of changes made to plugins in the Plugin Directory to try to catch serious vulnerabilities. Through that, we caught a variant of those vulnerabilities, a restricted file upload vulnerability being introduced in to the plugin Sitemap by click5.

We now are also running all the plugins used by customers through that on a weekly basis to provide additional protection for our customers. [Read more]