Which of the following attack types BEST describes a client-side attack that is used to manipulate an HTML iframe with JavaScript code via a web browser?
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A. B. C. D.C.
The attack type that BEST describes a client-side attack that manipulates an HTML iframe with JavaScript code via a web browser is Cross-Site Scripting (XSS), option C.
XSS is a type of injection attack where an attacker injects malicious code into a web application, which is then executed by unsuspecting users who visit the affected site. The attacker can then gain access to sensitive information, such as login credentials or session tokens, or can modify the content of the web page to redirect users to other sites or perform other malicious actions.
In the case of an HTML iframe, an attacker can use XSS to inject malicious JavaScript code into the iframe, which can then be executed by the web browser of the user viewing the page. This can allow the attacker to manipulate the content of the iframe or even gain access to sensitive information displayed within the iframe.
Option A, Buffer overflow, refers to an attack where an attacker overflows a buffer in a computer system's memory to execute malicious code. This type of attack is usually performed on server-side applications rather than client-side applications.
Option B, MITM (Man-In-The-Middle), refers to an attack where an attacker intercepts communications between two parties to steal information or perform other malicious actions. While MITM attacks can be used to perform XSS attacks, they are not specifically designed to manipulate HTML iframes.
Option D, SQLi (SQL Injection), refers to an attack where an attacker injects malicious SQL code into a web application to gain access to sensitive information stored in a database. While SQLi attacks can be used to modify the content of a web page, they are not specifically designed to manipulate HTML iframes with JavaScript code.