Netskope Extension Risk

Detail view · rubric v3.6
← Back to catalog

WhatSeller

acncpfocelnijeegfclfigffjgancfod
Risk Score
5.29
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Productivity
Installs 69
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

  • Privacy policy is Google's own policy — not scoped to this extension; admits data collection and 3rd-party sharing (score +10).
  • Uninstall URL hijack and install URL hijack both flagged — classic monetization/tracking pattern.
  • WhatsApp brand impersonation: developer domain (extensao.store) is not Meta/WhatsApp; confirmed_owner=false.
  • 10 external JS hosts under wascript.com.br / watools.com.br — broad backend surface for a 69-install CRM tool.
  • function_constructor (new Function) in content script + innerHTML DOM-XSS sink with no CSP.

Evidence

  • uninstall_url_hijack manifest chrome.runtime.setUninstallURL() set; uninstall_url_target=null but flag is true — monetization/tracking pattern.
  • install_url_hijack manifest onInstalled opens https://web.whatsapp.com — mild but combined with uninstall hijack raises concern.
  • brand_impersonation store WhatsApp brand mentioned; developer domain extensao.store is not Meta; confirmed_owner=false.
  • generic_privacy_policy store Privacy URL points to Google's own account policy — not scoped to WhatSeller; data_collection+3rd_party_sharing=true.
  • external_js_hosts crx 10 wascript.com.br / watools.com.br endpoints contacted; large backend surface for 69-install extension.
  • function_constructor crx new Function() detected in content script — dynamic code execution risk, no CSP to constrain.
  • dom_xss_sink crx innerHTML assigned from variable in content script running on WhatsApp Web — DOM-XSS risk.
  • no_csp manifest content_security_policy is null; MV3 default CSP applies but no explicit hardening declared.

Permissions Breakdown

  • unlimitedStorage low Allows unlimited local storage; low direct harm but enables large local data caching.
  • storage low Standard local key-value storage; low risk.
  • alarms low Schedules periodic tasks; low risk on its own.
  • tabs medium Can read tab URLs and titles; moderate privacy risk.
  • host_permission: https://web.whatsapp.com/* medium Scoped to WhatsApp Web only; matches stated CRM function but grants full page access.

Pillar Scores

Permissions2.10
Reputation7.00
Network3.00
Webstore8.50
Maintenance0.00
Privacy10.00
Code Quality5.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-08-28 09:17
Listing SHA 723dd3ca63b4…
Force block — not fired
Score recovered no
Elapsed