With PHP: If you have command line access, you can also update WordPress simply by running wp_maybe_auto_update () inside of WordPress.

Image: Felix Arntz, WordPress.org The WordPress open-source content management system (CMS) will show warnings in its backend admin panel if the site runs on top of an outdated PHP version.

Researchers at Sucuri revealed that applications such as WordPress that support PHP could also be subject to the Ghost vulnerability in glibc.

The issue impacts several content management systems, including Typo3 and WordPress, as well as widely-used PDF generation library TCPDF.