# Host Header Injection

> Host Header Injection is a tool developed by Pentester Helper that helps developers and security researchers identify whether a website is vulnerable to host header injection.

Canonical page: [https://chrome-stats.com/d/host-header-injection](https://chrome-stats.com/d/host-header-injection)

## Overview

- **ID:** `host-header-injection`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Kr Rathod
- **Category:** privacy-security,web-development
- **Daily users:** 1
- **Weekly downloads:** 3
- **Version:** 1.0
- **Last updated:** 2023-03-10
- **First published:** 2023-03-09
- **Size:** 438 KB
- **Data as of:** 2023-03-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/host-header-injection/)
- **Website:** [https://pentesterhelper.github.io](https://pentesterhelper.github.io/)

## Description

Host Header Injection is a tool developed by Pentester Helper that helps developers and security researchers identify whether a website is vulnerable to host header injection. Host header injection occurs when an attacker manipulates the HTTP request so that it appears to come from another source or domain, allowing them access to sensitive information on the server. This attack can be used for malicious purposes such as stealing data, defacing websites, and even executing code on the server. The Host Header Injection tool works by sending specially crafted requests with different headers in order to determine if they are accepted or rejected by the web application's backend system. If any of these requests are taken then this indicates that vulnerabilities may be present which could allow attackers access through manipulating HTTP requests sent from other sources or domains. The tool also allows users to specify what kind of response should be expected when testing for vulnerabilities; this includes checking for specific error messages which indicate successful manipulation attempts have been made against the web application's backend system. Overall, using Pentester Helper’s Host Header Injection Tool can help developers and security researchers find out if their website is vulnerable to host header attacks quickly and effectively without having too much time spent manually analyzing each request sent in order to detect any potential issues with its configuration settings related specifically towards accepting external traffic coming from untrusted sources outside of their network infrastructure environment.

## Permissions and access

### Permissions

- `tabs`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension is not longer available in the store

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Source: [Chrome-Stats](https://chrome-stats.com/d/host-header-injection)