Netskope Extension Risk

Detail view · rubric v3.6
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Earth Search for Chrome

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Risk Score
5.29
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Other
Installs 60,000
Rating 1.0
Last updated 2025-10-23 (10 months ago)
Manifest version MV3
CSP present ❌ no
Developer watchtvapp572@gmail.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • Gmail developer 'Watch TV' with numbered alias (watchtvapp572) — classic low-accountability operator pattern.
  • Search provider override sets is_default=true, hijacking all user queries to extension-controlled domain.
  • Uninstall URL hijack confirmed — extension tracks removal events via 3rd-party redirect.
  • Install URL hijack opens earthsearchforchrome.com on install, enabling immediate fingerprinting.
  • Rating of 1.0 strongly signals user dissatisfaction consistent with unwanted search hijacking.

Evidence

  • search_provider_override manifest chrome_settings_overrides sets earthsearchforchrome.com as default search engine (is_default=true).
  • uninstall_url_hijack crx uninstall_url_hijack=true; target not resolved but runtime call confirmed in extension.
  • install_url_hijack crx install_url_target=https://earthsearchforchrome.com/extension-success/ — opens on install.
  • gmail_numbered_alias_dev store Developer email watchtvapp572@gmail.com is a numbered free-webmail alias; no verifiable business identity.
  • low_rating store Rating 1.0 — consistent with user complaints about unwanted search provider replacement.
  • developer_name_mismatch store Developer name 'Watch TV' is unrelated to a search extension — category/identity mismatch.
  • privacy_policy_adequate api Privacy policy fetched; scope_extension=true, data_collection=true, retention=true, third_party_sharing=true.
  • no_csp manifest content_security_policy is null; MV3 strict-default applies so no additional network penalty scored.

Permissions Breakdown

  • chrome_settings_overrides.search_provider (is_default=true) medium Replaces default search engine with extension-controlled endpoint, redirecting all queries.
  • uninstall_url_hijack medium Sets uninstall URL to 3rd-party; tracks uninstall events and drives re-acquisition.
  • install_url_hijack medium Opens earthsearchforchrome.com on install; confirms install and may start tracking.

Pillar Scores

Permissions5.00
Reputation8.50
Network2.00
Webstore7.00
Maintenance3.50
Privacy0.00
Code Quality0.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-08-31 11:41
Listing SHA 6c2d31ec5292…
Force block — not fired
Score recovered no
Elapsed