1_3_2 Section 1 – Attacks, Threats, and Vulnerabilities - 1.3 – Application Attacks - Cross-site Scripting
42 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is cross-site scripting often abbreviated as?

  • XST
  • CSS
  • XSS (correct)
  • XTS

Why is cross-site scripting referred to as 'cross-site'?

  • It allows websites to share user input fields
  • It enables websites to communicate with each other directly
  • Due to the sharing of information between different websites (correct)
  • Because it involves sharing style information across websites

What is a major concern with cross-site scripting for web-based applications?

  • Displaying incorrect style sheets
  • Slow website performance
  • Excessive browser caching issues
  • Information leakage to attackers (correct)

Which scripting language is commonly exploited in cross-site scripting attacks?

<p>JavaScript (D)</p> Signup and view all the answers

What distinguishes a non-persistent cross-site scripting attack?

<p>It is also known as a reflected attack (D)</p> Signup and view all the answers

Why is preventing cross-site scripting important for developers of web-based applications?

<p>To safeguard user data and prevent potential exploits (D)</p> Signup and view all the answers

What kind of link does the attacker need the victim to click in a reflective cross-site scripting attack?

<p>A specially-crafted link with malicious scripts embedded within (A)</p> Signup and view all the answers

How does an attacker encourage the victim to click the malicious link in a reflective cross-site scripting attack?

<p>By using social engineering tactics (B)</p> Signup and view all the answers

What information can an attacker gather from a victim's machine in a reflective cross-site scripting attack?

<p>User credentials (B)</p> Signup and view all the answers

What issue did the individual face with the login token and session ID?

<p>The token never expired (D)</p> Signup and view all the answers

What is the purpose of embedding malicious scripts in a reflected cross-site scripting attack?

<p>To steal session IDs and personal information (A)</p> Signup and view all the answers

How could an attacker gain access to a user's account details on the Subaru website?

<p>By gaining access to the authentication token (D)</p> Signup and view all the answers

How does a stored cross-site scripting attack differ from a reflective one?

<p>It affects anyone visiting the infected page (D)</p> Signup and view all the answers

In a stored cross-site scripting attack, where is the malicious script typically embedded?

<p>Within messages or forum posts on websites (C)</p> Signup and view all the answers

What vulnerability did the Subaru website have in one of its input fields?

<p>Cross-site scripting vulnerability (D)</p> Signup and view all the answers

What happens when someone interacts with a page infected by a stored cross-site scripting attack?

<p>They unknowingly run the malicious script on their local machine (A)</p> Signup and view all the answers

Why does the text advise against clicking links in emails?

<p>To prevent malware from being downloaded (C)</p> Signup and view all the answers

How did Aaron Guzman discover a vulnerability on the Subaru website in June 2017?

<p>By accident while browsing the website (C)</p> Signup and view all the answers

What is suggested as a practical alternative to disabling JavaScript entirely?

<p>Installing a browser extension or security tool for JavaScript management (D)</p> Signup and view all the answers

For developers, what practice is recommended to prevent cross-site scripting vulnerabilities on their websites?

<p>Validating all fields on the website (C)</p> Signup and view all the answers

What information was given to Aaron Guzman when he logged into the Subaru website?

<p>Session information and a token (D)</p> Signup and view all the answers

What is the potential consequence if an attacker gains access to session ID information?

<p>Ability to authenticate as the victim on websites without credentials (B)</p> Signup and view all the answers

What is cross-site scripting commonly abbreviated as?

<p>XSS (A)</p> Signup and view all the answers

Why is it important for developers to prevent cross-site scripting vulnerabilities in web-based applications?

<p>To prevent attackers from gathering user information (A)</p> Signup and view all the answers

What type of vulnerability is a non-persistent or reflected cross-site scripting attack?

<p>Persistent cross-site scripting (D)</p> Signup and view all the answers

Which scripting language is commonly exploited in cross-site scripting attacks?

<p>JavaScript (A)</p> Signup and view all the answers

Where was the original association made that led to the naming of cross-site scripting?

<p>In browser vulnerabilities (A)</p> Signup and view all the answers

What makes JavaScript an important tool for both legitimate and malicious purposes in web browsing?

<p>Its potential for automation and added functionality (B)</p> Signup and view all the answers

What was the consequence of the login token never expiring for the user?

<p>Automatic authentication without re-entering credentials (B)</p> Signup and view all the answers

What risk did the user face due to the unexpiring authentication token?

<p>Potential unauthorized access to account details (B)</p> Signup and view all the answers

How could an attacker gain access to the victim's car online capabilities?

<p>Add their email address to the victim's car through a security vulnerability (A)</p> Signup and view all the answers

Why does the text recommend against clicking links in emails?

<p>To avoid hidden malicious information in the links (D)</p> Signup and view all the answers

What is suggested as a more practical alternative to disabling JavaScript entirely?

<p>Using browser extensions or security tools to manage JavaScript usage (D)</p> Signup and view all the answers

What is recommended for developers to prevent cross-site scripting vulnerabilities on their websites?

<p>Validating all fields on a website (A)</p> Signup and view all the answers

What is the main method used by an attacker to encourage a victim to click and trigger a reflective cross-site scripting attack?

<p>Sending an email with a specially-crafted link (C)</p> Signup and view all the answers

In a stored cross-site scripting attack, where is the malicious script typically embedded?

<p>Within a post or message on a website (B)</p> Signup and view all the answers

What type of information is usually obtained by an attacker in a reflective cross-site scripting attack?

<p>Session IDs and user credentials (B)</p> Signup and view all the answers

Why did the text mention that attackers often don't display alerts on the victim's workstation in cross-site scripting attacks?

<p>To ensure the victim interacts with the alert (D)</p> Signup and view all the answers

What distinguishes a stored cross-site scripting attack from its reflective counterpart?

<p>Stored attacks impact all visitors of a webpage (B)</p> Signup and view all the answers

How can a stored cross-site scripting attack quickly propagate across social media platforms?

<p>By embedding malicious scripts in shared posts or messages (B)</p> Signup and view all the answers

What type of field in a web application is often exploited in cross-site scripting attacks?

<p><em>Text</em> input fields like search bars or forum posts (C)</p> Signup and view all the answers

What could an attacker potentially gain access to if they successfully exploit a reflective cross-site scripting attack?

<p><em>Session ID</em> information and user credentials (C)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser