Hackers may already be accessing peoples personal data by exploiting a massive security flaw affecting hundreds of millions of computers and other devices. Shellshock bug has power to compromise any system and run commands to install malicious softwares on your device or computer. Government of US and UK has issued national alerts in response to the bug, warning that it may compromise organisations responsible for critical national infrastructure such as power stations if it is not rapidly dealt with. A working working example is when an Apache Web Sever runs bash command to process task along with the data entered in the online forms.”]
Source: http://www.hackread.com/shellshock-bash-bug-puts-users-in-danger/