How can SQL injection, CSRF, and XSS attacks be prevented in Golang — Bug Bounty Tuesday

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Hello everyone, I’m Kerstan.

Today, let’s discuss a few recurring yet challenging security issues that many developers grapple with — SQL injection, CSRF (Cross-Site Request Forgery), and XSS (Cross-Site Scripting). These three topics are almost “essential knowledge” in web development, particularly in backend development. I will share some practical prevention techniques that leverage the unique features of the Go language.

Let’s start.

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What is SQL injection? Simply put, it occurs when an attacker submits malicious SQL statements through user input, ultimately executing database operations that you did not intend to perform. In other words, someone has compromised your database while you remain oblivious to it.

In Go, the most common method to prevent this type of attack is by using parameterized queries. Let’s examine the following piece of code:

package main

import (
"database/sql"
"fmt"
_ "github.com/lib/pq" // Import PostgreSQL driver
)

func main() {
// Connect to the database
db…

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