Virtual Labs

What is Cross-Site Scripting (XSS)?

a: A vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users Explanation

Explanation

b: A method for securely transferring data between servers Explanation

Explanation

c: A protocol used for encrypting user credentials Explanation

Explanation

d: A tool for testing server response times Explanation

Explanation

How can XSS vulnerabilities be exploited?

a: By injecting malicious scripts into input fields that are stored and displayed to other users Explanation

Explanation

b: By increasing server bandwidth Explanation

Explanation

c: By deleting database records Explanation

Explanation

d: By disabling browser cookies Explanation

Explanation

Why is input validation important in preventing XSS?

a: It ensures that user input meets specified criteria and does not contain malicious scripts Explanation

Explanation

b: It optimizes server response times Explanation

Explanation

c: It encrypts data during transmission Explanation

Explanation

d: It deletes outdated database records Explanation

Explanation

What are the main types of XSS attacks?

a: Stored XSS, Reflected XSS, and DOM-based XSS Explanation

Explanation

b: SQL Injection, Reflected XSS, and Stored XSS Explanation

Explanation

c: Command Injection, Stored XSS, and Reflected XSS Explanation

Explanation

d: DOM-based XSS, Buffer Overflow, and Cross-Site Request Forgery (CSRF) Explanation

Explanation

Which of the following best describes stored XSS?

a: Malicious scripts are permanently stored on the target server and served to users Explanation

Explanation

b: Scripts are executed only in the attacker's browser Explanation

Explanation

c: A one-time attack that does not persist on the server Explanation

Explanation

d: A vulnerability that only affects mobile applications Explanation

Explanation

Which security practice helps prevent XSS attacks?

a: Encoding output and sanitizing input Explanation

Explanation

b: Using a faster database Explanation

Explanation

c: Increasing server memory Explanation

Explanation

d: Restricting user access to the database Explanation

Explanation

Cross-Site Scripting Vulnerabilities