Web Application Security

A comprehensive study of SQL injection vulnerabilities, exploitation techniques, detection, impact, testing methodology, and production-grade prevention.

Cross-Site Scripting (XSS) is a client-side injection vulnerability where an attacker gets their own script to run inside another user's browser, in the security context of a website that user already trusts.

Authentication vulnerabilities are weaknesses that allow an attacker to access an account or protected resource without properly proving that they are the legitimate user.

Authorization determines what an authenticated user is allowed to access or perform. Access control ensures these permissions are enforced so users cannot access resources or functionality beyond their assigned privileges.

Session management vulnerabilities occur when an application incorrectly creates, stores, transmits, validates, or invalidates authenticated sessions.

CSRF is a server-side vulnerability in which an attacker causes a victim's browser to send a malicious or unintended request to the target application where the victim is authenticated. If the server does not have adequate CSRF protection, it may execute the malicious request and treat it as a legitimate request from the authenticated user.