A company has hired a cybersecurity firm to assess web server security posture. To test for cross-site scripting vulnerabilities, the tester will use the string. Where would the tester use the string?

A company has hired a cybersecurity firm to assess web server security posture. To test for cross-site scripting vulnerabilities, the tester will use the string. Where would the tester use the string?

• in an HTTP header
• in an error message
• in a terminal window on the server
• in a user input field in a web form

Explanation: Cross-site scripting (XSS) vulnerabilities are achieved in different ways:
The example below shows an XSS test that can be performed from the address bar of a browser:

javascript:alert("Omar_s_XSS test");
javascript:alert(document.cookie);

The example below shows an XSS test that can be performed in a user input field in a web form:

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