# Web Security Audit

> Passively audits the security posture on current page

Canonical page: [https://chrome-stats.com/d/web-security-audit](https://chrome-stats.com/d/web-security-audit)

## Overview

- **ID:** `web-security-audit`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Francesco De Stefano
- **Category:** privacy-security
- **Daily users:** 56
- **Weekly downloads:** 2
- **Rating:** 5.00 / 5 (5 ratings)
- **Version:** 1.0
- **Last updated:** 2020-02-14
- **First published:** 2020-02-13
- **Size:** 25 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/web-security-audit/)
- **Website:** [https://sourceforge.net/projects/web-security-audit/](https://sourceforge.net/projects/web-security-audit/)

## Description

The Web Security Audit Chrome extension offers a passive and non-intrusive approach to evaluating the security posture of websites you visit. It scans for common security misconfigurations such as missing HTTP security headers (e.g., strict-transport-security, x-xss-protection, content-security-policy) without interfering with site functionality or modifying request data.

By generating incremental, easy-to-understand reports with numeric severity scores based on the Common Vulnerability Scoring System (CVSS), this tool helps security analysts prioritize further investigation efficiently. Note that it only works on sites allowing content scripts, ensuring compliance and minimal disruption during browsing.

## Rankings

- #15,356 — Overall
- #23 — security
- #64 — secure
- #202 — goal
- #230 — udio

## Permissions and access

### Permissions

- `webRequest`
- `*://*/`
- `activeTab`

## 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/web-security-audit)