Netskope Extension Risk

Detail view · rubric v3.6
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IronZap

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Risk Score
8.18
Risk Level: Critical
Recommendation: 🚫 BLOCK
Category Productivity
Installs 7
Rating —
Last updated 2026-10-21 (1 months ago)
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

  • THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — IronZap [adware] + malext.io malicious_extension_sentry (+2.5, capped).
  • Uninstall URL hijack detected — classic monetization/tracking shell pattern.
  • Privacy policy is Google's own policy (not extension-scoped), admitted data collection + 3rd-party sharing → +10 privacy.
  • WhatsApp brand impersonation by unverified developer 'ewdht' at extensao.store.
  • 10 external wascript.com.br / watools.com.br hosts contacted; no CSP — broad server-side reach over WhatsApp session.

Evidence

  • uninstall_url_hijack crx chrome.runtime.setUninstallURL() set — classic monetization/tracking shell signal (+3.0 Webstore).
  • brand_impersonation store brand_mention.is_impersonation=true for 'whatsapp'; developer extensao.store is not Meta/WhatsApp.
  • privacy_policy_generic store Policy URL is Google's account policy; scope_extension=false, data_collection=true, third_party_sharing=true → +10.0.
  • js_external_hosts crx 10 distinct wascript.com.br/watools.com.br hosts; extension phones home to external backend with WhatsApp session access.
  • function_constructor crx new Function() constructor found in bundled JS — dynamic code execution risk (+2.5 Code Quality).
  • dom_sink_innerhtml_userctrl crx innerHTML assigned from variable with no CSP present → elevated to +2.0 per FIX B.
  • install_url_hijack crx onInstalled opens https://web.whatsapp.com — install URL hijack (+2.0 Webstore).
  • no_csp manifest csp_present=false on MV3; amplifies DOM-XSS and function_constructor risks.
  • threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — IronZap [adware] + malext.io malicious_extension_sentry; score 5.68 -> 8.18 (+2.5 cap 2.5).

Permissions Breakdown

  • unlimitedStorage low Allows unbounded local storage; low risk on its own.
  • storage low Standard local data persistence.
  • alarms low Scheduling only; no data access.
  • tabs medium Can read tab URLs and titles; moderate fingerprinting risk.
  • https://web.whatsapp.com/* medium Scoped to WhatsApp Web; reads/modifies WhatsApp DOM and messages.

Pillar Scores

Permissions2.30
Reputation7.00
Network3.50
Webstore9.00
Maintenance0.00
Privacy10.00
Code Quality5.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-11-03 09:52
Listing SHA 926169d2deba…
Force block — not fired
Score recovered no
Elapsed —