In this part of the Practical Bug Bounty course you will be able to find some important notes that I took throughout trying to better understand primarily SQLi, LFI/RFI, OS Command Injection, XSS.
Injection attacks are a major cybersecurity threat where attackers exploit application vulnerabilities to inject malicious code or commands via user input fields. When applications fail to properly validate or sanitize this input, attackers can manipulate queries or system commands, leading to unauthorized data access, data theft, or even full system compromise.
Common types include SQL injection, which targets databases; command injection, which exploits operating system commands; and XML or NoSQL injection, which manipulate data processing in different formats. These attacks can result in data breaches, service disruption, and reputational damage. Preventing injection attacks requires rigorous input validation, use of parameterized queries, and regular security testing to ensure applications are resilient against such exploits