Examine source code of Vuln Finder

{
  "manifest_version": 2,
  "name": "Vuln Finder",
  "version": "1.1",
  "description": "Finds common low severity vulnerabilities (cookie security, response headers, and local storage).",
  "icons": {
    "48": "icons/popup_icon.png",
    "96": "icons/popup_icon.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "cookies",
    "webRequest",
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": "icons/popup_icon.png",
    "default_title": "Vuln Finder",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}