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Similarweb - Website Traffic, AI Traffic & SEO Checker

Version 6.12.22 View in Chrome Web Store

Last scanned: about 6 hours ago

Extension Details

Developer: https://www.similarweb.com/

Rating: 4.6 ★ (3.8K ratings)

Users: 1,000,000

Context-Aware Verdict

CRITICAL

Overall Risk

Based on 6 total findings, including 5 high-risk findings.

Findings

HIGH

Broad Content Script Injection

This extension can inject scripts into any website. This means it could potentially read sensitive data, modify website content, or steal credentials.

HIGH

Broad Host Permissions

This extension has broad host permissions allowing it to access many or all websites. This could potentially be used to steal sensitive data or track browsing activity.

HIGH

High-Risk Permission: tabs

This extension has the tabs permission. Can access browser tab information and manipulate tabs. This could potentially be used maliciously to compromise security or privacy.

HIGH

High-Risk Permission: webNavigation

This extension has the webNavigation permission. Can track your web navigation. This could potentially be used maliciously to compromise security or privacy.

HIGH

High-Risk Permission: webRequest

This extension has the webRequest permission. Can intercept and modify web requests. This could potentially be used maliciously to compromise security or privacy.

MEDIUM

Medium-Risk Permission: storage

This extension has the storage permission. Can store data locally.

Security Analysis Details

Required Permissions:

scripting
storage
tabs
webNavigation
webRequest

Host Permissions:

<all_urls>

Content Security Policy:

extension_pages: script-src 'self'; object-src 'self'

Embedded URLs (73 total):

https://api-js.mixpanel.com	https://mixpanel.com
https://cdn.mxpnl.com	https://chrome.google.com/webstore/
https://addons.mozilla.org	https://figma.com/design/
https://www.figma.com/design/	https://figma.com/slides/
https://www.figma.com/slides/	https://figma.com/draw/
https://www.figma.com/draw/	https://figma.com/figjam/
https://www.figma.com/figjam/	https://figma.com/make/
https://www.figma.com/make/	https://figma.com/buzz/
https://www.figma.com/buzz/	https://sw-extension.s3.amazonaws.com/config.json
https://data.similarweb.com/api/v1/data	https://rank.similarweb.com/api/v1/global
https://data.similarweb.com/api/v1/identity	https://cdn.growthbook.io
https://account.similarweb.com	https://www.similarweb.com
https://api.mixpanel.com/track	https://www.similarweb.com/connect/
https://helloextension.wixforms.com/f/7017062351903916986	https://www.trustpilot.com/evaluate/similarweb.com
https://chrome.google.com/webstore/detail/similarweb-traffic-rank-w/hoklmmgfnpapgjgcpechhaamimifchmp	https://addons.mozilla.org/firefox/addon/similarweb-sites-recommendatio
https://addons.opera.com/en/extensions/details/similarweb/	https://www.similarweb.com/corp/extension-uninstall/
https://www.similarweb.com/corp/extension-welcome-chrome/	https://www.similarweb.com/corp/extension-welcome-firefox/
https://www.similarweb.com/corp/extension-welcome-opera/	https://rank.similarweb.com
https://adclick.g.doubleclick.net/	https://www.youtube.com/api/stats/qoe?
https://rank.similarweb.com/content/config	https://github.com/facebook/regenerator/blob/main/LICENSE
http://www.w3.org/2000/svg	http://www.w3.org/1999/xlink
https://clients2.google.com/service/update2/crx	https://www.similarweb.com/corp/legal/extension-privacy-policy/
https://developer.matomo.org/api-reference/tracking-javascript	https://developer.matomo.org/guides/tracking-javascript-guide#multiple-piwik-trackers
https://matomo.similarweb.io/matomo.php	https://piwik.org
https://github.com/matomo-org/matomo/blob/master/js/piwik.js	https://piwik.org/free-software/bsd/
https://www.highcharts.com?credits	https://www.highcharts.com/docs/accessibility/accessibility-module.
http://momentjs.com/guides/#/warnings/define-locale/	http://momentjs.com/guides/#/warnings/js-date/
http://momentjs.com/guides/#/warnings/min-max/	http://momentjs.com/guides/#/warnings/add-inverted-param/
http://momentjs.com/guides/#/warnings/zone/	http://momentjs.com/guides/#/warnings/dst-shifted/
http://fb.me/use-check-prop-types	https://reactjs.org/docs/error-decoder.html?invariant=
http://www.w3.org/XML/1998/namespace	http://www.w3.org/1999/xhtml
http://www.w3.org/1998/Math/MathML	https://fb.me/react-polyfills
https://rt.growthbook.io/?key=	https://github.com/styled-components/styled-components/blob/master/packages/styled-components/src/utils/errors.md#
http://www.naturalearthdata.com	https://www.google.com/s2/favicons?domain=
https://www.facebook.com/sharer/sharer.php?u=	https://twitter.com/intent/tweet?text=
https://www.similarweb.com/corp/legal/extension-terms-of-service/	http://www.apache.org/licenses/LICENSE-2.0
https://mths.be/punycode

Raw Manifest

{
  "name": "__MSG_name__",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "action": {
    "default_icon": "images/icon128.png",
    "default_title": "Similarweb"
  },
  "version": "6.12.22",
  "background": {
    "service_worker": "background/background.js"
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "update_url": "https://clients2.google.com/service/update2/crx",
  "description": "__MSG_description__",
  "permissions": [
    "scripting",
    "storage",
    "tabs",
    "webNavigation",
    "webRequest"
  ],
  "default_locale": "en",
  "content_scripts": [
    {
      "js": [
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_start",
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "*://figma.com/design",
        "*://figma.com/design/*",
        "*://www.figma.com/design",
        "*://www.figma.com/design/*",
        "*://figma.com/slides",
        "*://figma.com/slides/*",
        "*://www.figma.com/slides",
        "*://www.figma.com/slides/*",
        "*://figma.com/draw",
        "*://figma.com/draw/*",
        "*://www.figma.com/draw",
        "*://www.figma.com/draw/*",
        "*://figma.com/figjam",
        "*://figma.com/figjam/*",
        "*://www.figma.com/figjam",
        "*://www.figma.com/figjam/*",
        "*://figma.com/make",
        "*://figma.com/make/*",
        "*://www.figma.com/make",
        "*://www.figma.com/make/*",
        "*://figma.com/buzz",
        "*://figma.com/buzz/*",
        "*://www.figma.com/buzz",
        "*://www.figma.com/buzz/*"
      ]
    },
    {
      "js": [
        "frame/frame.js"
      ],
      "run_at": "document_end",
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "exclude_matches": [
        "*://figma.com/design",
        "*://figma.com/design/*",
        "*://www.figma.com/design",
        "*://www.figma.com/design/*",
        "*://figma.com/slides",
        "*://figma.com/slides/*",
        "*://www.figma.com/slides",
        "*://www.figma.com/slides/*",
        "*://figma.com/draw",
        "*://figma.com/draw/*",
        "*://www.figma.com/draw",
        "*://www.figma.com/draw/*",
        "*://figma.com/figjam",
        "*://figma.com/figjam/*",
        "*://www.figma.com/figjam",
        "*://www.figma.com/figjam/*",
        "*://figma.com/make",
        "*://figma.com/make/*",
        "*://www.figma.com/make",
        "*://www.figma.com/make/*",
        "*://figma.com/buzz",
        "*://figma.com/buzz/*",
        "*://www.figma.com/buzz",
        "*://www.figma.com/buzz/*",
        "*://figma.com/site",
        "*://figma.com/site/*",
        "*://www.figma.com/site",
        "*://www.figma.com/site/*"
      ],
      "match_about_blank": true
    },
    {
      "js": [
        "frame_start/frame_start.js"
      ],
      "run_at": "document_start",
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "exclude_matches": [
        "*://figma.com/design",
        "*://figma.com/design/*",
        "*://www.figma.com/design",
        "*://www.figma.com/design/*",
        "*://figma.com/slides",
        "*://figma.com/slides/*",
        "*://www.figma.com/slides",
        "*://www.figma.com/slides/*",
        "*://figma.com/draw",
        "*://figma.com/draw/*",
        "*://www.figma.com/draw",
        "*://www.figma.com/draw/*",
        "*://figma.com/figjam",
        "*://figma.com/figjam/*",
        "*://www.figma.com/figjam",
        "*://www.figma.com/figjam/*",
        "*://figma.com/make",
        "*://figma.com/make/*",
        "*://www.figma.com/make",
        "*://www.figma.com/make/*",
        "*://figma.com/buzz",
        "*://figma.com/buzz/*",
        "*://www.figma.com/buzz",
        "*://www.figma.com/buzz/*",
        "*://figma.com/site",
        "*://figma.com/site/*",
        "*://www.figma.com/site",
        "*://www.figma.com/site/*"
      ],
      "match_about_blank": true
    }
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "manifest_version": 3,
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "images/*",
        "fonts/*",
        "panel/panel.html",
        "frame_ant/frame_ant.js"
      ]
    }
  ]
}

by ✦ Astarte

Similarweb - Website Traffic, AI Traffic & SEO Checker

Extension Details

Context-Aware Verdict

Findings

Security Analysis Details

Required Permissions:

Host Permissions:

Content Security Policy:

Embedded URLs (73 total):

Raw Manifest

Detections

Manifest Findings