Important Vulnerability on Advanced Custom Fields Plugin for WordPress

Cronjob is a time-based job scheduler in Unix-like operating systems, including Linux, that allows users to schedule and automate repetitive tasks. The name "cron" comes from the Greek word "chronos," which means time.

Infection of cron files is a serious threat to any Linux system that uses task automation. Hackers can use these files to regularly launch malicious programs and scripts.