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 one of the most serious vulnerabilities, a persistent cross-site scripting (XSS) vulnerability in the plugin WIP Custom Login.

The automated portion of that monitoring flagged the following line of code because of the possibility that it could permit PHP object injection to occur: [Read more]