Question: How can inadequate data sanitization lead to cross-site scripting (XSS) vulnerabilities?

Answer:

Inadequate data sanitization can lead to XSS vulnerabilities as attackers may inject malicious scripts into user inputs, and if not properly sanitized, these scripts may be executed in the browser.

MCQ: How can inadequate data sanitization lead to cross-site scripting (XSS) vulnerabilities?

A. Inadequate data sanitization enhances security against XSS vulnerabilities.
B. Attackers can inject malicious scripts into user inputs, and if not properly sanitized, these scripts may be executed in the browser.
C. Data sanitization is irrelevant to XSS vulnerabilities.
D. Inadequate data sanitization only impacts server-side scripts.

Correct Answer: A. Inadequate data sanitization enhances security against XSS vulnerabilities.

Explanation:

Inadequate data sanitization can lead to XSS vulnerabilities as attackers may inject malicious scripts into user inputs, and if not properly sanitized, these scripts may be executed in the browser.