Almost a million WordPress websites at risk from this security flaw — here's what you need to know to keep your site safe

Laptop computer displaying logo of WordPress, a free and open-source content management system (CMS).

Almost a million WordPress websites were vulnerable to a flaw that allowed hackers to modify content on different pages. 

A report from Wordfence noted the vulnerability could lead to hackers altering sensitive data and potentially exploiting the website builder system.