SQL Injection & XSS
Deep dive into SQL injection and Cross-Site Scripting vulnerabilities. This is a foundational concept in information security and ethical hacking that professional developers rely on daily. The explanations below are written to be beginner-friendly while covering the depth and nuance that comes from real-world Cybersecurity experience. Take your time with each section and practice the examples
55 min•By Priygop Team•Last updated: Feb 2026
SQL Injection Types
- Union-based SQL injection — a critical concept in information security and ethical hacking that you will use frequently in real projects
- Boolean-based blind SQL injection — a critical concept in information security and ethical hacking that you will use frequently in real projects
- Time-based blind SQL injection — a critical concept in information security and ethical hacking that you will use frequently in real projects
- Error-based SQL injection — a critical concept in information security and ethical hacking that you will use frequently in real projects
- Second-order SQL injection — a critical concept in information security and ethical hacking that you will use frequently in real projects
XSS Attack Vectors
- Reflected XSS: Malicious script reflected in response
- Stored XSS: Malicious script stored on server
- DOM-based XSS: Client-side script manipulation
- Blind XSS: Delayed execution scenarios
- Mutation XSS: Browser parsing differences