A malicious attacker has intercepted HTTP traffic and inserted an ASCII line that sets the referrer URL. Which of the following is the attacker most likely utilizing?

The correct answer is A. Header manipulation. Header manipulation is the insertion of malicious data, which has not been validated, into a HTTP response header. One example of header manipulation is a HTTP response splitting attack. This type of attack exploits applications that allow a carriage return or line feed as input.

Submitted by joshua94· Mar 4, 2026Threats, vulnerabilities, and mitigations

Question

Options

AHeader manipulation
BCookie hijacking
CCross-site scripting
DXml injection

How the community answered

(23 responses)

A
83% (19)
B
4% (1)
C
4% (1)
D
9% (2)

Explanation

Header manipulation is the insertion of malicious data, which has not been validated, into a HTTP response header. One example of header manipulation is a HTTP response splitting attack. This type of attack exploits applications that allow a carriage return or line feed as input.

Topics

#header manipulation#HTTP attacks#web application security#referrer spoofing

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