Netskope Extension Risk

Detail view · rubric v3.6
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Premier Search | Default Search

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Risk Score
5.38
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Other
Installs 238
Rating 5.0
Last updated 2023-10-06 (34 months ago)
Manifest version MV3
CSP present ❌ no
Developer premiersearch1@gmail.com
Verified publisher ✅ yes
Featured by Google ✅ yes
Privacy policy link
Web Store open ↗

Top Risks

  • Privacy policy URL returns connection error — effectively no accessible policy for a search-data-collecting extension.
  • Developer uses free Gmail address with no business name; domain cannot be verified via CT logs.
  • Extension last updated 34 months ago — zombie-level staleness with 238 live installs.
  • Search provider override routes all user queries to unverified premiersearches.com domain.
  • Verified-publisher and featured discounts capped at -1.0 (v3.5/0c): stale >18mo + unreachable dev domain.

Evidence

  • search_provider_override manifest chrome_settings_overrides sets premiersearches.com as default search, capturing all user search queries.
  • privacy_policy_fetch_failed api privacy_policy_classification.fetched=false due to ConnectionError; policy is inaccessible, scored +10.0 privacy.
  • free_webmail_dev store Developer email premiersearch1@gmail.com; no developer name listed; brand_mention.developer_domain=gmail.com.
  • zombie_staleness store 34 months since last update (Oct 2023); maintenance pillar scored 8.5 + zombie booster not triggered (<10K installs).
  • verified_publisher_capped store Verified+featured discounts capped at -1.0 per v3.5/0c: months_since_update=34 >18mo and dev domain unreachable.
  • no_js_files crx js_file_count=0, code_findings_raw empty, obfuscation_score=0.0; code quality risk is nil.
  • low_install_count store Only 238 installs; blast radius limited but tail_attack_surface=false per anomaly check.
  • no_bad_hosts_or_cves api threat_intel bad_host_hits, monetization_hits, affiliate_hits all empty; cve_findings_raw empty.

Permissions Breakdown

  • chrome_settings_overrides.search_provider medium Sets premiersearches.com as default search engine, redirecting all search queries to an unverified domain.
  • host_permissions: https://premiersearches.com/* low Scoped to own domain only; narrow but paired with search override concentrates data flow.

Pillar Scores

Permissions2.00
Reputation6.50
Network0.00
Webstore2.00
Maintenance8.50
Privacy10.00
Code Quality0.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-08-31 10:32
Listing SHA 6d7e33021b7f…
Force block — not fired
Score recovered no
Elapsed