What is XSS code?

Cross-site Scripting (XSS) is a client-side code injection attack. The attacker aims to execute malicious scripts in a web browser of the victim by including malicious code in a legitimate web page or web application.

What is stored XSS example?

What is stored XSS (persistent XSS)? Stored (persistent) cross-site scripting (XSS) happens when an attacker injects malicious code into the target application (for example, through a forum post or a comment) and this content is permanently stored (for example, in a database).

What is a very common XSS attack?

XSS occurs when an attacker tricks a web application into sending data in a form that a user’s browser can execute. Most commonly, this is a combination of HTML and XSS provided by the attacker, but XSS can also be used to deliver malicious downloads, plugins, or media content.

What attacks are possible with XSS?

Typical XSS attacks include session stealing, account takeover, MFA bypass, DOM node replacement or defacement (such as trojan login panels), attacks against the user’s browser such as malicious software downloads, key logging, and other client-side attacks.

What are the examples of SQL injection attacks?

Some common SQL injection examples include:

  • Retrieving hidden data, where you can modify an SQL query to return additional results.
  • Subverting application logic, where you can change a query to interfere with the application’s logic.
  • UNION attacks, where you can retrieve data from different database tables.

What is XSS good for?

Cross-site scripting (also known as XSS) is a web security vulnerability that allows an attacker to compromise the interactions that users have with a vulnerable application. It allows an attacker to circumvent the same origin policy, which is designed to segregate different websites from each other.