Input Validation
Everything on SkillVeris tagged Input Validation — collected across the glossary, study notes, blog, and cheat sheets.
5 resources across 1 library
Interview Questions(5)
What Techniques Prevent SQL Injection?
SQL injection is prevented primarily by using parameterized queries (or prepared statements) so user input is always bound as data and never concatenated into…
What is XSS?
XSS (Cross-Site Scripting) is a vulnerability where an attacker injects malicious JavaScript into a page viewed by other users, letting that script run with th…
What Is SQL Injection and How Do You Prevent It?
SQL injection is a vulnerability where an attacker supplies crafted input that gets concatenated directly into a SQL query string, causing the database to exec…
What Are Form Validation Strategies on the Web?
Robust web form validation layers three checks: instant client-side feedback using HTML constraint attributes and JavaScript for UX, and authoritative server-s…
How Do You Handle File Uploads on the Web?
Web file uploads are handled by sending file data as multipart/form-data (or via a pre-signed direct-to-storage URL for large files), validating type and size…