Input validation vulnerability in Multiple Page Generator Plugin – MPG 3.3.17

The Multiple Page Generator Plugin for WordPress had a vulnerability in its versions up to and including 3.3.17 that could have allowed unauthenticated attackers to add malicious code to existing queries. This malicious code could have been used to damage the website or consume resources. Version 3.3.18 addressed the issue by adding an extra layer of verification and making sure the code was escaped and prepared properly.