Home / Hacking Glossary / Query

Query

A request for data from a database, API, or search engine. Improperly sanitized queries are the root cause of injection vulnerabilities (SQL, LDAP, NoSQL).

development
Active CTF Events 3

SecurityBoat Community CTF Event 2026

Jan 4 - Jan 4, 2026 · 100 players

Bsides Agra CTF 2025

Dec 6 - Dec 7, 2025 · 100 players

Bsides Vizag CTF 2025

Dec 5 - Dec 6, 2025
View all events →
Related Terms 9
API (Application Programming Interface) Application Security (AppSec) Binary Closed Source JavaScript JSON (JavaScript Object Notation) Open Source Threat Modeling YAML (YAML Ain't Markup Language)

Ready to learn Query hands-on?

Put theory into practice with real hacking labs, CTF challenges, and guided courses on Parrot CTFs Events.

Get Started Free