command injection

noun
UK /kəˈmɑːnd ɪnˈdʒekʃən/
US /kəˈmænd ɪnˈdʒekʃən/

A trick where bad input makes a computer run harmful commands.

The app was hacked through command injection because it trusted user input.


OTHER MEANINGS

2. A security flaw where untrusted data is passed to a system shell.

The scanner flagged a command injection in the login form.

3. An attack technique used to take control of a server.

Attackers used command injection to install a backdoor.

4. A coding mistake that lets users run system commands.

The developer fixed the command injection by sanitizing inputs.