PHP Lessons

php Directory traversal

Directory traversal

Learn how to protect your code from directory traversal in PHP by exploiting a vulnerable web server.

php Code injection

Code injection

Learn how to protect your applications against malicious code injection in PHP by exploiting a vulnerable web app as part of this Snyk Learn lesson.

php Cross-site scripting

Cross-site scripting

Learn how to protect your PHP code from various forms of cross-site scripting (XSS) attacks.

php SQL injection

SQL injection

Learn how to create SQL queries securely and avoid SQL injections attempts by malicious third parties.