Netskope Extension Risk

Detail view · rubric v3.6
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Chat Boost

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Risk Score
5.29
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Productivity
Installs 116
Rating 5.0
Last updated 2026-08-26
Manifest version MV3
CSP present ❌ no
Developer contato@extensao.store
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • Uninstall AND install URL hijacks detected — classic monetization/tracking shell pattern.
  • Privacy policy is Google's own policy, not scoped to this extension; admits data collection and 3rd-party sharing.
  • WhatsApp brand impersonation: developer domain extensao.store is not Meta/WhatsApp.
  • 10+ distinct external JS hosts (wascript.com.br, watools.com.br) contacted — broad backend surface with no CSP.
  • function_constructor (new Function) + uncontrolled innerHTML with no CSP raises DOM-XSS and code-injection risk.

Evidence

  • uninstall_url_hijack crx chrome.runtime.setUninstallURL() set — triggers Webstore +3.0 penalty for monetization shell.
  • install_url_hijack crx onInstalled opens https://web.whatsapp.com — install URL hijack detected (+2.0 Webstore).
  • brand_impersonation store brand_mention.is_impersonation=true for WhatsApp; developer domain extensao.store not Meta-owned.
  • privacy_policy_generic store Policy URL is Google's global privacy page; scope_extension=false, data_collection=true, third_party_sharing=true → +10.0 Privacy.
  • js_external_hosts_broad crx 10 distinct wascript.com.br/watools.com.br endpoints in js_external_hosts; no CSP to constrain them.
  • no_csp manifest content_security_policy is null (MV3, no explicit CSP); combined with code findings elevates code quality risk.
  • function_constructor crx new Function() used in JS bundle — dynamic code execution risk, +2.5 Code Quality.
  • unverified_developer store Developer 'wsll', email contato@extensao.store, no verified publisher badge, no featured badge.

Permissions Breakdown

  • unlimitedStorage low Allows large local storage; low direct harm but enables local data hoarding.
  • storage low Standard key-value store; low risk in isolation.
  • alarms low Scheduled tasks; low risk, can be used for persistent background activity.
  • tabs medium Can read tab URLs and titles across browser; moderate privacy exposure.
  • https://web.whatsapp.com/* medium Host permission scoped only to WhatsApp Web; matched to stated CRM function.

Pillar Scores

Permissions2.30
Reputation7.00
Network4.50
Webstore8.00
Maintenance0.00
Privacy10.00
Code Quality4.50
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-08-28 09:56
Listing SHA df6e56d58de3…
Force block — not fired
Score recovered no
Elapsed