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Chess Pro

Version 3.3.3 View in Chrome Web Store

Last scanned: about 15 hours ago

Extension Details

Rating: 3.6 ★ (113 ratings)

Users: 30,000

Context-Aware Verdict

HIGH

Overall Risk

Based on 5 total findings, including 3 high-risk findings.

Findings

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

Unsafe WebAssembly Execution

This extension's Content Security Policy allows 'wasm-unsafe-eval', which permits potentially dangerous WebAssembly code execution. This could be used to hide malicious code or perform CPU-intensive operations.

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: storage

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

Security Analysis Details

Required Permissions:

storage
offscreen
debugger
activeTab

Host Permissions:

http://*.lichess.org/*
https://*.lichess.org/*

Content Security Policy:

extension_pages: default-src 'self' 'wasm-unsafe-eval'; style-src 'unsafe-inline' 'self';

Embedded URLs (12 total):

https://github.com/niklasf/stockfish.wasm	https://github.com/kripken/emscripten/wiki/WebAssembly#binaryen-methods
https://github.com/ddugovic/Stockfish	https://github.com/niklasf/stockfish.js
https://emscripten.org/docs/porting/pthreads.html#blocking-on-the-main-browser-thread	https://getbootstrap.com/
https://github.com/twbs/bootstrap/blob/main/LICENSE	http://www.w3.org/2000/svg
https://clients2.google.com/service/update2/crx	https://fonts.googleapis.com
https://fonts.gstatic.com	https://fonts.googleapis.com/css2?family=Inter:wght@100

Raw Manifest

{
  "name": "Chess Pro",
  "icons": {
    "16": "icon/icon16.png",
    "24": "icon/icon24.png",
    "32": "icon/icon32.png",
    "128": "icon/icon128.png"
  },
  "action": {
    "default_popup": "popup.html"
  },
  "version": "3.3.3",
  "background": {
    "service_worker": "js/background.js"
  },
  "update_url": "https://clients2.google.com/service/update2/crx",
  "description": "A Chrome chess extension",
  "permissions": [
    "storage",
    "offscreen",
    "debugger",
    "activeTab"
  ],
  "content_scripts": [
    {
      "js": [
        "js/vendor.js",
        "js/content_script.js"
      ],
      "run_at": "document_start",
      "matches": [
        "http://*.lichess.org/*",
        "https://*.lichess.org/*"
      ]
    }
  ],
  "host_permissions": [
    "http://*.lichess.org/*",
    "https://*.lichess.org/*"
  ],
  "manifest_version": 3,
  "content_security_policy": {
    "extension_pages": "default-src 'self' 'wasm-unsafe-eval'; style-src 'unsafe-inline' 'self';"
  },
  "cross_origin_opener_policy": {
    "value": "same-origin"
  },
  "cross_origin_embedder_policy": {
    "value": "require-corp"
  }
}

by ✦ Astarte

Chess Pro

Extension Details

Context-Aware Verdict

Findings

Security Analysis Details

Required Permissions:

Host Permissions:

Content Security Policy:

Embedded URLs (12 total):

Raw Manifest

Detections

Manifest Findings