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Claude

Version 1.0.77 View in Chrome Web Store

Last scanned: about 2 hours ago

Extension Details

Developer: Anthropic

Rating: 2.7 ★ (1.2K ratings)

Users: 10,000,000

Context-Aware Verdict

CRITICAL

Overall Risk

Based on 11 total findings, including 7 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: debugger

This extension has the debugger permission. Can debug and manipulate other extensions/apps. This could potentially be used maliciously to compromise security or privacy.

HIGH

High-Risk Permission: downloads

This extension has the downloads permission. Can download files and access download history. This could potentially be used maliciously to compromise security or privacy.

HIGH

High-Risk Permission: identity

This extension has the identity permission. Can access your identity information. This could potentially be used maliciously to compromise security or privacy.

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.

MEDIUM

Medium-Risk Permission: activeTab

This extension has the activeTab permission. Can access the active tab when clicking the extension icon.

MEDIUM

Medium-Risk Permission: notifications

This extension has the notifications permission. Can show notifications.

MEDIUM

Medium-Risk Permission: storage

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

MEDIUM

Medium-Risk Permission: unlimitedStorage

This extension has the unlimitedStorage permission. Can store unlimited data locally.

Security Analysis Details

Required Permissions:

sidePanel
storage
activeTab
scripting
debugger
tabGroups
tabs
alarms
notifications
webNavigation
declarativeNetRequestWithHostAccess
offscreen
nativeMessaging
unlimitedStorage
downloads
identity

Host Permissions:

<all_urls>

Content Security Policy:

extension_pages: script-src 'self'; object-src 'self'; connect-src 'self' https://api.anthropic.com wss://api.anthropic.com https://claude.ai https://platform.claude.com https://api.segment.io https://*.segment.com https://*.ingest.us.sentry.io https://api.honeycomb.io https://browser-intake-us5-datadoghq.com wss://bridge.claudeusercontent.com wss://bridge-staging.claudeusercontent.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:;

Embedded URLs (119 total):

https://github.com/jnordberg/gif.js	http://www.w3.org/2000/svg
https://clients2.google.com/service/update2/crx	https://claude.ai/
https://api.anthropic.com	https://claude.ai
https://platform.claude.com	https://api.segment.io
https://api.honeycomb.io	https://browser-intake-us5-datadoghq.com
https://example.com	https://react.dev/errors/
http://www.w3.org/1998/Math/MathML	http://www.w3.org/1999/xlink
http://www.w3.org/XML/1998/namespace	https://formatjs.github.io/docs/tooling/babel-plugin
https://formatjs.github.io/docs/tooling/ts-transformer	https://formatjs.github.io/docs/tooling/linter#enforce-id
https://formatjs.github.io/docs/getting-started/message-distribution	https://formatjs.github.io/docs/react-intl#runtime-requirements
https://formatjs.github.io/docs/react-intl/api#intlshape	https://api.vimeo.com/videos/
https://www.googleapis.com/youtube/v3/videos?id=	https://github.com/mermaid-js/mermaid/issues.
https://chevrotain.io/docs/guide/resolving_lexer_errors.html#REGEXP_PARSING	https://chevrotain.io/docs/guide/resolving_lexer_errors.html#ANCHORS
https://chevrotain.io/docs/guide/resolving_lexer_errors.html#UNREACHABLE	https://chevrotain.io/docs/guide/resolving_lexer_errors.html#IDENTIFY_TERMINATOR
https://chevrotain.io/docs/guide/resolving_lexer_errors.html#CUSTOM_LINE_BREAK	https://chevrotain.io/docs/guide/resolving_lexer_errors.html#LINE_BREAKS
https://chevrotain.io/docs/guide/resolving_lexer_errors.html#MISSING_LINE_TERM_CHARS	https://github.com/chevrotain/chevrotain/issues/564#issuecomment-349062346
https://chevrotain.io/docs/FAQ.html#NUMERICAL_SUFFIXES	https://chevrotain.io/docs/guide/resolving_grammar_errors.html#COMMON_PREFIX
https://chevrotain.io/docs/guide/resolving_grammar_errors.html#AMBIGUOUS_ALTERNATIVES	https://en.wikipedia.org/wiki/LL_parser#Left_factoring.
https://chevrotain.io/docs/guide/internals.html#grammar-recording	https://chevrotain.io/docs/guide/resolving_grammar_errors.html#IGNORING_AMBIGUITIES
https://chevrotain.io/docs/changes/BREAKING_CHANGES.html#_6-0-0	https://chevrotain.io/docs/changes/BREAKING_CHANGES.html#_4-0-0
https://langium.org/docs/reference/configuration-services/#resolving-cyclic-dependencies	https://github.com/uuidjs/uuid#getrandomvalues-not-supported
http://www.w3.org/1999/xhtml	https://github.com/mermaid-js/mermaid/releases/tag/v11.0.0
https://github.com/bitinn/node-fetch	https://claude.com/form/anthropic-content-reporting
https://cdn.segment.com	https://cdn.segment.
https://nextjs.org/docs/messages/public-next-folder-conflict	https://nextjs.org/docs/messages/404-get-initial-props
https://nextjs.org/docs/messages/gssp-export	https://nextjs.org/docs/messages/gssp-component-member
https://nextjs.org/docs/messages/non-standard-node-env	https://nextjs.org/docs/messages/ssg-fallback-true-export
https://radix-ui.com/primitives/docs/components/	https://cdn.growthbook.io
https://docs.datadoghq.com	https://www.datadoghq-browser-agent.com
https://www.datad0g-browser-agent.com	https://d3uc069fcn7uxw.cloudfront.net
https://d20xtzwzcl0ceb.cloudfront.net	https://nextjs.org/docs/messages/next-dynamic-api-wrong-context
https://nextjs.org/docs/app/building-your-application/rendering/static-and-dynamic#dynamic-rendering	https://nextjs.org/docs/messages/dynamic-server-error
https://nextjs.org/docs/messages/ppr-caught-error	https://nextjs.org/docs/messages/next-prerender-missing-suspense
https://nextjs.org/docs/app/api-reference/functions/use-search-params#updating-searchparams	http://www.w3.org/2000/xmlns/
https://github.com/markedjs/marked.	https://claude.ai/oauth/authorize
https://platform.claude.com/v1/oauth/token	https://claude.ai/chrome/installed
http://www.example.com	https://60bea3ee4ef1022e4035b23ba50f44d0@o1158394.ingest.us.sentry.io/4509876992278529
https://docs.honeycomb.io/getting-data-in/opentelemetry/node-distro/#sampling-without-the-honeycomb-sdk	https://docs.expo.dev/versions/latest/sdk/expo/#expofetch-api
https://github.com/anthropics/anthropic-sdk-typescript#streaming-responses	https://github.com/anthropics/anthropic-sdk-typescript#long-requests
https://chromewebstore.google.com/detail/claude/dngcpimnedloihjnnfngkgjoidhnaolf	https://nextjs.org/docs/messages/invalid-images-config

Page 1 of 2

Raw Manifest

{
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjU1XnLPoasGVmZU42K3h6S+sQhkogfcoLPbIcrWH5Oo8QoInBIugkew/7cWaEFySyQrkaEBe1fjeS/rlAqd3r778dKcTvDZcXmj0VVX0Fi1i8tnkarurceGKGdVxfkL7e30nwfgwoPxj3H8OQbsbxFcBWGVtcFekmdpiyaxwz6o4yXIWColfAxh9K2yToOZkoAS5GvgGvTexiCh1gYy++eFdk6C61mcFsyDdoGQtduhGEaX0zZ9uAW1jX4JTPmHV3kEFrZu/WVBl7Obw+Jk/osoHMdmghVNy6SCB8/6mcgmxkP9buPrNUZgYP6n0x5dqEJ2Ecww/lb1Zd4nQf4XGOwIDAQAB",
  "name": "Claude",
  "icons": {
    "128": "icon-128.png"
  },
  "action": {
    "default_title": "Open Claude"
  },
  "storage": {
    "managed_schema": "managed_schema.json"
  },
  "version": "1.0.77",
  "commands": {
    "toggle-side-panel": {
      "description": "Toggle Claude side panel",
      "suggested_key": {
        "mac": "Command+E",
        "default": "Ctrl+E"
      }
    }
  },
  "background": {
    "type": "module",
    "service_worker": "service-worker-loader.js"
  },
  "update_url": "https://clients2.google.com/service/update2/crx",
  "description": "Claude in Chrome (Beta)",
  "permissions": [
    "sidePanel",
    "storage",
    "activeTab",
    "scripting",
    "debugger",
    "tabGroups",
    "tabs",
    "alarms",
    "notifications",
    "webNavigation",
    "declarativeNetRequestWithHostAccess",
    "offscreen",
    "nativeMessaging",
    "unlimitedStorage",
    "downloads",
    "identity"
  ],
  "options_page": "options.html",
  "content_scripts": [
    {
      "js": [
        "assets/content-script.ts-loader-DKJzsl7H.js"
      ],
      "run_at": "document_end",
      "matches": [
        "https://claude.ai/*",
        "https://*.claude.ai/*"
      ]
    },
    {
      "js": [
        "assets/accessibility-tree.js-CCweLwU2.js"
      ],
      "run_at": "document_start",
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true
    },
    {
      "js": [
        "assets/agent-visual-indicator.js-CW8zgsee.js"
      ],
      "run_at": "document_idle",
      "matches": [
        "<all_urls>"
      ],
      "all_frames": false
    }
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "manifest_version": 3,
  "externally_connectable": {
    "matches": [
      "https://claude.ai/*",
      "https://*.claude.ai/*"
    ]
  },
  "minimum_chrome_version": "116",
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src 'self' https://api.anthropic.com wss://api.anthropic.com https://claude.ai https://platform.claude.com https://api.segment.io https://*.segment.com https://*.ingest.us.sentry.io https://api.honeycomb.io https://browser-intake-us5-datadoghq.com wss://bridge.claudeusercontent.com wss://bridge-staging.claudeusercontent.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:;"
  },
  "web_accessible_resources": [
    {
      "matches": [
        "https://*.claude.ai/*",
        "https://claude.ai/*"
      ],
      "resources": [
        "assets/onboarding-prompts-CWLEgoC0.js",
        "assets/content-script.ts-zjy42LA0.js"
      ],
      "use_dynamic_url": false
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "assets/accessibility-tree.js-CCweLwU2.js",
        "assets/agent-visual-indicator.js-CW8zgsee.js"
      ],
      "use_dynamic_url": false
    }
  ]
}

by ✦ Astarte

Claude

Extension Details

Context-Aware Verdict

Findings

Security Analysis Details

Required Permissions:

Host Permissions:

Content Security Policy:

Embedded URLs (119 total):

Raw Manifest

Detections

Manifest Findings