Automated security tests should regularly check for __________ vulnerabilities in web applications.

Automated security tests should regularly check for Cross-Site Scripting (XSS) vulnerabilities in web applications. XSS vulnerabilities occur when an application allows the injection of malicious scripts into web pages viewed by other users. Regular testing for XSS vulnerabilities is crucial for preventing attacks that exploit these vulnerabilities to execute malicious scripts in the context of a user's browser, compromising the security of the application.