{keyword};select Pg_sleep(5)-- Apr 2026

: Use Modern Object-Relational Mappers (ORMs) like TypeORM or Sequelize , which use parameterized queries by default.

Likely the intended legitimate input for a search or filter feature. ;

Instead of concatenating strings, use placeholders ( $1 , $2 ) to safely handle user input. javascript {KEYWORD};SELECT PG_SLEEP(5)--

// UNSAFE: Vulnerable to the injection provided const query = "SELECT * FROM articles WHERE topic = '" + userInput + "'"; // SAFE: Parameterized query const query = "SELECT * FROM articles WHERE topic = $1"; const values = [userInput]; db.query(query, values, (err, res) => { // The database treats $1 strictly as data, even if it contains "SELECT PG_SLEEP(5)" }); Use code with caution. Copied to clipboard

For comprehensive testing and prevention guidelines, refer to the OWASP SQL Injection Prevention Cheat Sheet . SQL Injection Cheat Sheet - Invicti : Use Modern Object-Relational Mappers (ORMs) like TypeORM

The statement separator used to "stack" a new command after the first one. SELECT PG_SLEEP(5)

The SQL comment syntax used to ignore the rest of the original, legitimate query so it doesn't cause a syntax error. 🛠️ Secure Implementation Example (Node.js/pg) javascript // UNSAFE: Vulnerable to the injection provided

: Strict allow-listing for expected formats (e.g., ensuring a "keyword" only contains alphanumeric characters).