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Paperpal: Free Grammar Checker, AI Writing Tool & Research Assistant

Version 2.0.15 View in Chrome Web Store

Last scanned: about 4 hours ago

Extension Details

Developer: Cactus Communications Services Pte Ltd

Rating: 4.2 ★ (25 ratings)

Users: 30,000

Context-Aware Verdict

CRITICAL

Overall Risk

Based on 10 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: clipboardRead

This extension has the clipboardRead permission. Can read clipboard content. This could potentially be used maliciously to compromise security or privacy.

HIGH

High-Risk Permission: clipboardWrite

This extension has the clipboardWrite permission. Can modify clipboard content. This could potentially be used maliciously to compromise security or privacy.

HIGH

High-Risk Permission: cookies

This extension has the cookies permission. Can access and modify browser cookies. 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

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: contextMenus

This extension has the contextMenus permission. Can add items to the context menu.

MEDIUM

Medium-Risk Permission: storage

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

Security Analysis Details

Required Permissions:

activeTab
tabs
storage
cookies
contextMenus
clipboardRead
clipboardWrite

Host Permissions:

*://*/*
file://*/*

Content Security Policy:

extension_pages: script-src 'self' 'wasm-unsafe-eval'; object-src 'self';

Embedded URLs (369 total):

http://www.w3.org/2000/svg	https://github.com/wxt-dev/wxt/issues/371
https://wxt.dev/guide/go-further/testing.html	https://edit-api.paperpal.com
https://geoip.cactusglobal.io/json/	https://edit-api.paperpal.com/api/v1/google-analytics
https://api.clevertap.com/1/upload	https://edit-api.paperpal.com/api/aws/request-upload
https://edit-api.paperpal.com/api/v3/chat-pdf/start-conversation	https://paperpal.editage.cn
https://edit.paperpal.com	https://sso.paperpal.com
https://sso.editage.cn	https://paperpal.com/uninstall-feedback?
https://paperpal.com/browser-extension-feature-tutorials?videoId=	https://paperpal.com
http://www.w3.org/1999/xlink	https://reactjs.org/docs/error-decoder.html?invariant=
http://www.w3.org/XML/1998/namespace	http://www.w3.org/1998/Math/MathML
http://www.w3.org/1999/xhtml	http://fb.me/use-check-prop-types
https://cdn.paperpal.com/assets/images/loader/paperpal-loader-v1.gif	https://nextjs.org/docs/messages/invalid-multi-match
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://nextjs.org/docs/messages/	https://nextjs.org/docs/messages/next-router-not-mounted
https://edit.paperpal.com/	https://sso.editage.com
https://www.notion.so	https://app.notion.com
https://chatgpt.com	https://claude.ai
https://gemini.google.com/app	https://outlook.office.com
https://medium.com/new-story	https://medium.com/p/
https://docs.google.com/document/	https://fontawesome.com%20License%20-%20https://fontawesome.com/license/free%20
https://support.paperpal.com/support/solutions	https://chromewebstore.google.com/detail/mhpjgcccinlocgiklkfllehilgmcnimp/reviews
https://microsoftedge.microsoft.com/addons/detail/paperpal-free-grammar-ch/bklfadmbfhfklnhmgndegeooghjbdkpi#review-section	https://addons.mozilla.org
https://apps.apple.com	https://grafana-faro.monitoring.cicd.k8s.paperpal.com/collect
https://github.com/uuidjs/uuid#getrandomvalues-not-supported	https://paperpal.com/
https://paperpal.cn/	https://paperpal.editage.cn/
https://sso.editage.com/	https://sso.editage.cn/
https://billing.editage.com/	https://billing.editage.cn/
https://membership.editage.com/	https://cdn.paperpal.com/assets/images/logo/favicon.ico
https://edit.paperpal.com/documents/auto?tab=research&generate=	https://docs.google.com/
https://chatgpt.com/	https://gemini.google.com/
https://claude.ai/	https://evilmartians.com/chronicles/postcss-8-plugin-migration
https://www.w3ctech.com/topic/2226	https://github.com/apostrophecms/sanitize-html/issues/547
https://www.editage.jp/services/journal-manuscript-formatting-services?	https://www.editage.co.kr/services/journal-formatting?
https://www.editage.cn/services/journal-formatting?	https://www.editage.com/services/research-paper-manuscript-formatting-services?
https://www.editage.jp/services/graphical-abstract-design-visual-abstract-services?	https://www.editage.co.kr/campaigns/graphical-abstract-design-visual-abstract-services?
https://www.editage.cn/services/graphical-abstract?	https://www.editage.com/services/graphical-abstract-design-visual-abstract-services?
https://app.editage.jp/order/ecf/english-editing?	https://app.editage.co.kr/order/ecf/english-editing?
https://app.editage.cn/order/ecf/english-editing?	https://app.editage.com/order/ecf/english-editing?

Page 1 of 5

Raw Manifest

{
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm9ubBRoosZzhPohBkuaV2AQOqMlhKzLW25I5O/CuE6oCSU40llpLxk/psbYeTkTx9TdT/zZYMFwM2+keXss7mxqwnnaiBUf/h6Okhckbm5mhiOthPJ6PRnSoilXPC5yKD4/NDHddhFrH0bsu7yeWLYluXJWlShlsprtNbmdt8QVbE/usurmp0s2qMzYSCd1Q/UJirR2oRPi6s7KDxtBgrBbkYoBPkdN9vt9g0Qee1GfuVTfcc/k40htCAmqVkCOCzoI/6THcwM3uTAvEfgJeAiKPFcHtylAG6ajqYPIwD9bhH1RBTpLOlU4jqx6EE7zIo6LW8AaLPIy6MNkyVS7ZnQIDAQAB",
  "name": "Paperpal: Free Grammar Checker, AI Writing Tool & Research Assistant",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Paperpal Extension Control Center"
  },
  "version": "2.0.15",
  "incognito": "split",
  "background": {
    "service_worker": "background.js"
  },
  "update_url": "https://clients2.google.com/service/update2/crx",
  "description": "Turn any webpage into your academic workspace with our grammar checks, paraphrasing, chat with PDF & notetaking with citation tools.",
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "cookies",
    "contextMenus",
    "clipboardRead",
    "clipboardWrite"
  ],
  "content_scripts": [
    {
      "js": [
        "content-scripts/chat-pdf.js"
      ],
      "run_at": "document_end",
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "https://*.paperpal.cn/*",
        "https://*.paperpal.com/*",
        "https://*.paperpal.editage.cn/*",
        "https://*.sso.editage.cn/*",
        "https://*.sso.editage.com/*",
        "https://billing.editage.cn/*",
        "https://billing.editage.com/*",
        "https://chatgpt.com/",
        "https://chatgpt.com/*",
        "https://claude.ai/*",
        "https://docs.google.com/*",
        "https://gemini.google.com/*",
        "https://membership.editage.com/*",
        "https://paperpal.cn/*",
        "https://paperpal.com/*",
        "https://paperpal.editage.cn/*",
        "https://sso.editage.cn/*",
        "https://sso.editage.com/*"
      ]
    },
    {
      "js": [
        "content-scripts/floating-pill.js"
      ],
      "run_at": "document_end",
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_matches": [
        "https://*.overleaf.com/*",
        "https://*.paperpal.cn/*",
        "https://*.paperpal.com/*",
        "https://*.paperpal.editage.cn/*",
        "https://*.sso.editage.cn/*",
        "https://*.sso.editage.com/*",
        "https://billing.editage.cn/*",
        "https://billing.editage.com/*",
        "https://docs.google.com/*",
        "https://membership.editage.com/*",
        "https://paperpal.cn/*",
        "https://paperpal.com/*",
        "https://paperpal.editage.cn/*",
        "https://sso.editage.cn/*",
        "https://sso.editage.com/*"
      ]
    },
    {
      "js": [
        "content-scripts/google-docs-annotated-canvas.js"
      ],
      "world": "MAIN",
      "run_at": "document_start",
      "matches": [
        "https://docs.google.com/*"
      ],
      "all_frames": true
    },
    {
      "js": [
        "content-scripts/main-pre.js"
      ],
      "world": "MAIN",
      "run_at": "document_end",
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_matches": [
        "https://*.paperpal.cn/*",
        "https://*.paperpal.com/*",
        "https://*.paperpal.editage.cn/*",
        "https://*.sso.editage.cn/*",
        "https://*.sso.editage.com/*",
        "https://billing.editage.cn/*",
        "https://billing.editage.com/*",
        "https://membership.editage.com/*",
        "https://paperpal.cn/*",
        "https://paperpal.com/*",
        "https://paperpal.editage.cn/*",
        "https://sso.editage.cn/*",
        "https://sso.editage.com/*"
      ]
    },
    {
      "js": [
        "content-scripts/main.js"
      ],
      "run_at": "document_end",
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_matches": [
        "https://*.paperpal.cn/*",
        "https://*.paperpal.com/*",
        "https://*.paperpal.editage.cn/*",
        "https://*.sso.editage.cn/*",
        "https://*.sso.editage.com/*",
        "https://billing.editage.cn/*",
        "https://billing.editage.com/*",
        "https://membership.editage.com/*",
        "https://paperpal.cn/*",
        "https://paperpal.com/*",
        "https://paperpal.editage.cn/*",
        "https://sso.editage.cn/*",
        "https://sso.editage.com/*"
      ]
    },
    {
      "js": [
        "content-scripts/research-widget.js"
      ],
      "run_at": "document_end",
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_matches": [
        "https://*.paperpal.cn/*",
        "https://*.paperpal.com/*",
        "https://*.paperpal.editage.cn/*",
        "https://*.sso.editage.cn/*",
        "https://*.sso.editage.com/*",
        "https://billing.editage.cn/*",
        "https://billing.editage.com/*",
        "https://chatgpt.com/",
        "https://chatgpt.com/*",
        "https://claude.ai/*",
        "https://docs.google.com/*",
        "https://gemini.google.com/*",
        "https://membership.editage.com/*",
        "https://paperpal.cn/*",
        "https://paperpal.com/*",
        "https://paperpal.editage.cn/*",
        "https://sso.editage.cn/*",
        "https://sso.editage.com/*"
      ]
    },
    {
      "js": [
        "content-scripts/sidepanel-pre.js"
      ],
      "world": "MAIN",
      "run_at": "document_end",
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "https://*.paperpal.cn/*",
        "https://*.paperpal.com/*",
        "https://*.paperpal.editage.cn/*",
        "https://*.sso.editage.cn/*",
        "https://*.sso.editage.com/*",
        "https://billing.editage.cn/*",
        "https://billing.editage.com/*",
        "https://membership.editage.com/*",
        "https://paperpal.cn/*",
        "https://paperpal.com/*",
        "https://paperpal.editage.cn/*",
        "https://sso.editage.cn/*",
        "https://sso.editage.com/*"
      ]
    }
  ],
  "host_permissions": [
    "*://*/*",
    "file://*/*"
  ],
  "manifest_version": 3,
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self';"
  },
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "assets/*.png",
        "assets/*.svg",
        "assets/locales_build/**/*.json",
        "assets/js/*.js",
        "fonts/*.woff2",
        "pdf-storage-bridge/index.html",
        "pdf-storage-bridge/bridge.js"
      ],
      "use_dynamic_url": true
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "content-scripts/chat-pdf.css"
      ],
      "use_dynamic_url": true
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "resources": [
        "content-scripts/main.css"
      ],
      "use_dynamic_url": true
    }
  ]
}

by ✦ Astarte

Paperpal: Free Grammar Checker, AI Writing Tool & Research Assistant

Extension Details

Context-Aware Verdict

Findings

Security Analysis Details

Required Permissions:

Host Permissions:

Content Security Policy:

Embedded URLs (369 total):

Raw Manifest

Detections

Manifest Findings