Saya mendapatkan email dari salah satu hosting provider, semoga bermanfaat:

… Sorry about this email, we don’t normally send email warnings like this. If you do not use WordPress in any way, you may disregard this email.

We are sending you this notice as there is a particularly nasty WordPress Plugin vulnerability being exploited today. This vulnerability can be exploited by specially formatted comments, which means it’s pretty easy to exploit.

The vulnerable WordPress Plugins are:

 

Supercache
W3 Total Cache

 

If you have either of these plugins installed — or aren’t sure if you do — please immediately go update them. …