Netskope Extension Risk

Detail view · rubric v3.6
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Giant Coupons Official Extension

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Risk Score
6.04
Risk Level: High
Recommendation: 🟠 HIGH RISK — review
Category Shopping
Installs 27
Rating
Last updated 2024-06-28 (26 months ago)
Manifest version MV3
CSP present ❌ no
Developer jon@status77.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • webRequest + all-URLs host permissions give full traffic interception capability across every site visited.
  • Extension stale 26 months with only 27 installs — high tail-attack-surface risk if silently updated.
  • Privacy policy admits data collection and third-party sharing without retention disclosure.
  • No developer name; developer email domain (status77.com) mismatches extension brand (giant.coupons).
  • install_url_hijack opens third-party URL on install — install-time redirect to unknown target.

Evidence

  • broad_host_permissions manifest host_permissions http://*/* and https://*/* combined with webRequest = full traffic interception on all sites.
  • install_url_hijack manifest install_url_hijack=true; target not captured — opens unknown URL on install.
  • stale_extension store Last updated June 28 2024; 26 months since update with only 27 installs — zombie tail risk.
  • no_developer_name store developer_name is empty string; accountability gap.
  • privacy_policy_third_party_sharing api Policy fetched, scope_extension=true, data_collection=true, third_party_sharing=true, retention=false.
  • small_install_high_perm api install_perm_anomaly: 27 installs with HIGH-tier permissions — tail attack surface confirmed.
  • js_external_hosts crx Contacts api.giantcoupons.net and giant.coupons; developer email domain status77.com differs from both.
  • no_csp manifest csp_present=false on MV3; no content_security_policy declared — minor amplifier.

Permissions Breakdown

  • webRequest high Intercepts all HTTP/S requests across all URLs — broad surveillance capability.
  • storage low Local extension storage; low inherent risk.
  • http://*/* high Full read/write access to all HTTP pages.
  • https://*/* high Full read/write access to all HTTPS pages including banking/auth.
  • content_scripts *://*/* high Content scripts injected into every page; can exfiltrate DOM, credentials, PII.

Pillar Scores

Permissions8.00
Reputation6.50
Network4.50
Webstore5.50
Maintenance8.50
Privacy2.00
Code Quality0.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-08-28 09:23
Listing SHA de2b63e7d530…
Force block — not fired
Score recovered no
Elapsed