Netskope Extension Risk

Detail view · rubric v3.6
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WAVENDY

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Risk Score
6.18
Risk Level: High
Recommendation: 🚫 BLOCK
Category Productivity
Installs 12
Rating 5.0
Last updated 2026-09-04
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

  • Operator cluster of 8 extensions under same dev email/fingerprint — coordinated install farm or repackaging ring.
  • Uninstall URL hijack confirmed; install redirect to WhatsApp Web signals session/cookie harvesting setup.
  • Privacy policy is Google's own policy — not scoped to this extension; ADMITS data collection and 3rd-party sharing.
  • 10 distinct wascript.com.br / watools.com.br external hosts contacted; large exfil surface from WhatsApp chat data.
  • WhatsApp brand impersonation by unverified publisher with only 11 installs — tail-attack-surface risk.

Evidence

  • operator_cluster_siblings api 7 sibling extensions share same dev email, install URL, and external host fingerprint — cluster of 8 total.
  • uninstall_url_hijack crx chrome.runtime.setUninstallURL() called; install also redirects to web.whatsapp.com.
  • generic_privacy_policy store Privacy URL points to Google Account policy; scope_extension=false, data_collection=true, third_party_sharing=true.
  • brand_impersonation store WhatsApp brand mentioned; developer domain extensao.store is not confirmed WhatsApp owner.
  • external_hosts crx 10 distinct wascript.com.br/watools.com.br subdomains in js_external_hosts — broad outbound surface on chat data.
  • function_constructor crx new Function() constructor found in bundled JS — code execution from string risk.
  • dom_sink_innerhtml crx innerHTML assigned from variable in content script running on WhatsApp Web — DOM-XSS risk.
  • no_csp crx content_security_policy is null; no CSP protection amplifies DOM-XSS and Function() risks.

Permissions Breakdown

  • unlimitedStorage low Allows unlimited local storage; low risk alone.
  • storage low Standard local key-value storage; low risk.
  • alarms low Scheduling API; low risk standalone.
  • tabs medium Can read tab URLs and titles; moderate privacy surface.
  • https://web.whatsapp.com/* medium Content scripts injected into WhatsApp Web; can read all chat content.

Pillar Scores

Permissions2.30
Reputation7.50
Network4.50
Webstore10.00
Maintenance0.00
Privacy10.00
Code Quality5.00
CVE Exposure0.00

Scoring History

sssiednc9ee3c46dp727562726963xsx 6.47 High block 2026-09-12
sssiedn2ae5fa7fdp727562726963xsx 6.52 High block 2026-09-07
v3.6 6.18 High block 2026-08-28

Bookkeeping

Rubric v3.6
Scored at 2026-08-28 14:24
Listing SHA f148b006dc22…
Force block — not fired
Score recovered no
Elapsed