WordPress Releases Security Update
Wordpressアップデートでてますねぇ、自動更新されてると思いますが、一応適宜アップデートチェックしたほうがいいですね。
WordPress 4.5.2 and prior versions are affected by several security issues.
WordPress Releases Security Update
Exploitation of one of these vulnerabilities could allow a remote attacker to take control of an affected system.