A critical PHPMailer bug tied to the way websites handle email and feedback forms is leaving millions of websites hosted on popular web-publishing platforms such as WordPress, Drupal and Joomla ...

The vulnerable library is PHPMailer, a PHP script that allows developers to automate the task of sending emails using PHP code.

A critical remote code execution vulnerability in PHPMailer, one of the most widely used PHP email sending libraries, could put millions of websites at risk of hacking.