Netskope Extension Risk

Detail view · rubric v3.6
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Assis Hub

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Risk Score
4.79
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Productivity
Installs
Rating
Last updated 2026-08-25
Manifest version MV3
CSP present ❌ no
Developer larzinho11@gmail.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • Cookie + WhatsApp host access: can exfiltrate WhatsApp session tokens and messages.
  • Privacy policy is Google's own policy — not scoped to this extension at all (+10.0 privacy).
  • Three innerHTML sinks in contentScript running on WhatsApp Web — DOM-XSS risk.
  • new Function() constructor in app.js enables dynamic code execution.
  • Free-webmail developer (larzinho11@gmail.com) with no verified publisher status.

Evidence

  • cookies + whatsapp host manifest cookies permission + https://web.whatsapp.com/* host: full session/message read capability.
  • privacy policy generic store Policy URL is myaccount.google.com/privacypolicy — Google's policy, not extension-scoped.
  • dom_sink_innerhtml_userctrl x3 crx innerHTML sinks in app.js, background.js, contentScript.js with no CSP to mitigate XSS.
  • function_constructor crx new Function() in app.js allows runtime code construction.
  • no CSP manifest content_security_policy is null; no mitigation for eval or innerHTML sinks.
  • free webmail dev store Developer email larzinho11@gmail.com; no verified publisher badge.
  • external JS hosts crx js_external_hosts: notiflix.github.io, reactjs.org — remote CDN references in JS.
  • generic google privacy policy store Privacy classification: scope_extension=false, data_collection=true, third_party_sharing=true.

Permissions Breakdown

  • storage low Standard local data persistence; low risk.
  • unlimitedStorage low Extends storage quota; minimal risk alone.
  • tabs medium Can read tab URLs and metadata across browser session.
  • cookies high Can read/write cookies; sensitive credential/session access.
  • notifications low Display-only push notifications; low abuse potential.
  • declarativeNetRequest medium Can modify/block network requests without read access to content.
  • https://web.whatsapp.com/* high Full host access to WhatsApp Web — can read messages and session cookies.
  • https://app.coderlicences.com/* medium Access to third-party licensing server; possible telemetry/licensing checks.

Pillar Scores

Permissions5.30
Reputation6.50
Network3.50
Webstore2.50
Maintenance0.00
Privacy10.00
Code Quality5.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-08-31 11:11
Listing SHA 21f00e97ecf6…
Force block — not fired
Score recovered no
Elapsed