# Window Session Opening Utility

> This extension offers two events for easily creating new windows using the contextualIdentities and cookies API. The primary intended use of this extension is to easy work with mutliple windows in development enviroments.

Canonical page: [https://chrome-stats.com/d/window-session-opening-utility](https://chrome-stats.com/d/window-session-opening-utility)

## Overview

- **ID:** `window-session-opening-utility`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Dennis V.
- **Category:** other
- **Daily users:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0
- **Last updated:** 2024-01-02
- **First published:** 2024-01-02
- **Size:** 9.19 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/window-session-opening-utility/)

## Description

The extension offers two events that can be thrown in the browser with javascript coding.

OpenWindowWithContainerFirefoxExtension
Description: Opens a URL in a new window using a specific contextual identity
Parameter: The event expect a paramter object. The following values can be specified:
  - debug: Enables the printing of debug messages in the background extension job
  - context:
       - url: The URL that should be opened (Mandatory)
       - context: The context that should be used for the new window (optional, if not specified a context based on a random number will be generated)
       - 
Example:
  var event = new CustomEvent("OpenWindowWithContainerFirefoxExtension", {
    detail: {
      debug: true,
      context:{
        url: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/e92d70357cd3eb204ae67954b6ebfa87302a00bc2149481b4d6833cc98707e37/https%3A//www.google.com/" rel="nofollow">https://www.google.com/</a>,
        context: "MyNewWindowContext"
      }
    },
  });
  window.dispatchEvent(event);

SetCookieFirefoxExtension
Description: Sets a cookie for a given cookieStoreId
Parameter: The event expect a paramter object. The following values can be specified:
  - debug: Enables the printing of debug messages in the background extension job
  - cookie:
       - value: The value of the cookie
       - url: The URL for which the cookie is valid
       - name: The name of the cookie
       - storage: The CookieStoreID
Example:
  var event = new CustomEvent("SetCookieFirefoxExtension", {
    detail: {
      debug: true,
      context:{
        value: "My Cookie Value",
        url: "<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/e92d70357cd3eb204ae67954b6ebfa87302a00bc2149481b4d6833cc98707e37/https%3A//www.google.com/" rel="nofollow">https://www.google.com/</a>",
        name: "My Cookie",
        storage: "firefox-default"
      }
    }
  });
  window.dispatchEvent(event);

## Rankings

- #82,496 — Overall

## Permissions and access

### Permissions

- `cookies`
- `contextualIdentities`

### Host permissions

- `<all_urls>`

### Content script matches

- `*`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/window-session-opening-utility)