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 one of those vulnerabilities, a PHP object injection vulnerability being introduced in to the plugin ICS Calendar.

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]