About the SQL Injection Knowledge Base
The SQL Injection Knowledge Base is a comprehensive resource designed to help security professionals and developers understand, identify, and test SQL injection vulnerabilities across various database systems. Serving both as an educational tool and practical reference, it supports continuous learning and effective vulnerability assessment.
Originally created by Roberto Salgado in 2013, the SQLi Knowledge Base underwent a major update (v2) in 2025. This version features improved performance, enhanced accessibility, better user experience, and increased extensibility to encourage community contributions and facilitate ongoing maintenance. The live version can be accessed at websec.com/sql-injection-knowledge-base.
Purpose
The purpose of this knowledge base is to:
- Document SQL injection techniques for various database systems
- Provide concrete examples for educational purposes
- Help security professionals understand and defend against these attacks
- Serve as a reference during penetration testing
Technical Details
This version of the SQL Injection Knowledge Base is built using:
- Astro - A modern static site generator focused on performance
- Markdown for content management
- Modern JavaScript (ES6+) for interactive features
- Responsive design for all device sizes
Disclaimer
The techniques documented in this knowledge base are for educational and authorized security testing purposes only. Always obtain proper authorization before testing systems for security vulnerabilities.