Question

What is the menaning of %27 in sql injection?

Answer 1

SQL injection is an application layer attack technique used by hackers to steal data from organizations by targeting web-based applications. ... Now through SQL injection, the attacker may insert some specifically-crafted SQL commands to bypass the login form and see what lies behind it.

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Answer 2

This is the quickest test for SQL Injection, if an SQL error or unhandled application error is created from adding an appostrophy, your application is at high risk