# Xposer

> Uses the https://Xposer.io API to show the product, the exact version and a full product vulnerability report for a given website.

Canonical page: [https://chrome-stats.com/d/xposer](https://chrome-stats.com/d/xposer)

## Overview

- **ID:** `xposer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Michiel Roos
- **Category:** web-development,privacy-security
- **Daily users:** 5
- **Version:** 4.0.2
- **Last updated:** 2025-05-29
- **First published:** 2019-12-07
- **Size:** 754 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/xposer/)
- **Website:** [https://github.com/michiel-roos/xposer-issues/issues](https://github.com/michiel-roos/xposer-issues/issues)

## Description

Xposer is a Firefox add-on that utilizes the Xposer.io API to display detailed information about the product, exact version, and vulnerabilities of a website. It is useful for developers to offer product upgrades and for site owners to check if they are running the latest version.

## Rankings

- #45,095 — Overall

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `https://www.xposer.io/*`

## Safety

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

### Analysis details

- Request access to the following domains: xposer.io
- 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/xposer)