Netskope Extension Risk

Detail view · rubric v3.6
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PRAXATECH SOLUÇÕES

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Risk Score
5.41
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Productivity
Installs
Rating
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

  • Privacy policy is Google's own policy — does not scope to this extension; admits data collection and third-party sharing (Privacy +10.0).
  • Operator cluster: 3 sibling extensions under same dev email/host fingerprint suggest coordinated deployment.
  • Uninstall URL hijack and install URL hijack both present — classic monetization/tracking shell pattern.
  • 10+ distinct external JS hosts under wascript.com.br / watools.com.br contacted by extension running inside WhatsApp Web.
  • function_constructor (new Function) + innerHTML DOM-XSS sink detected in 334-file JS bundle with no CSP.

Evidence

  • uninstall_url_hijack + install_url_hijack crx Both hijacks set; install redirects to https://web.whatsapp.com. Monetization shell pattern.
  • operator_cluster sibling_count=3 api Three sibling extensions share same dev email, install URL, and JS host set — coordinated cluster.
  • privacy_policy points to Google's own policy store URL is myaccount.google.com/privacypolicy; scope_extension=false, data_collection=true, third_party_sharing=true.
  • js_external_hosts 10+ distinct wascript.com.br subdomains crx api-whatsapp, app, audio-transcriber, backend-plugin, backend-utils, code, meta-oficial, new-multi-atendimento, painel-old all contacted.
  • function_constructor in JS bundle crx new Function() constructor found — dynamic code execution risk in 334-file bundle without CSP.
  • dom_sink_innerhtml_userctrl crx innerHTML assigned from variable; no CSP present, elevating DOM-XSS risk.
  • developer identity weak store Dev name 'wspd'; email contato@extensao.store; not verified publisher, not featured.
  • host_permissions scoped to WhatsApp Web manifest Content scripts injected into web.whatsapp.com/* — full access to all WhatsApp messages in browser.

Permissions Breakdown

  • unlimitedStorage low Allows unlimited local storage; low direct harm but could store large scraped data.
  • storage low Standard local key-value storage; low risk.
  • alarms low Enables scheduled tasks; low risk on its own.
  • tabs medium Can read tab URLs and titles; moderate privacy surface.
  • https://web.whatsapp.com/* medium Scoped host access to WhatsApp Web; content scripts can read all messages on this origin.

Pillar Scores

Permissions2.30
Reputation6.50
Network4.00
Webstore7.50
Maintenance0.00
Privacy10.00
Code Quality5.00
CVE Exposure0.00

Scoring History

sssiedne0bc3defdp727562726963xsx 8.22 Critical block 2026-09-07
v3.6 5.41 Medium review 2026-08-28

Bookkeeping

Rubric v3.6
Scored at 2026-08-28 10:34
Listing SHA ec7330265acb…
Force block — not fired
Score recovered no
Elapsed