Netskope Extension Risk

Detail view · rubric v3.6
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Surf Safely

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Risk Score
4.21
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Other
Installs 6
Rating
Last updated 2026-07-31 (1 months ago)
Manifest version MV3
CSP present ❌ no
Developer exedeveloper91@gmail.com
Verified publisher ✅ yes
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • Search-provider override set as default: routes all searches through surfsafe.ai, monetization/surveillance risk.
  • Free-webmail dev email (exedeveloper91@gmail.com) with numbered alias and no developer name; unverifiable identity.
  • Privacy policy too short (81 chars), not scoped to extension, silent on third-party sharing — effectively no policy.
  • declarativeNetRequestWithHostAccess enables network-request blocking/redirecting aligned with search override.
  • Install URL hijack triggers on install; only 6 users but high-perm config is a tail-attack-surface anomaly.

Evidence

  • search_provider_override manifest chrome_settings_overrides sets Surf Safely as default search via surfsafe.ai/explore/rd/search/?q={searchTerms}
  • free_webmail_numbered_alias store Developer email exedeveloper91@gmail.com — numbered Gmail alias, no developer name, no verified business domain.
  • privacy_policy_inadequate api Policy length 81 chars, scope_extension=false, data_collection=false, third_party_silence=true — stub policy.
  • install_url_hijack store install_url_hijack=true; extension opens a URL on install, typical of monetization/SEO shells.
  • small_install_high_perm_anomaly api Only 6 installs but has declarativeNetRequestWithHostAccess + search override; tail-attack-surface flag.
  • multi_search_engine_newtab_analog api search_engine_count=3 (brave, duckduckgo, startpage) in js_external_hosts; aggregator/monetization pattern.
  • verified_publisher_with_gmail store verified_publisher=true but dev email is Gmail — verification doesn't offset unverifiable dev identity signals.
  • no_csp manifest content_security_policy is null/absent on MV3; v2 fix (b) applies: +2.0 network for MV2 not triggered but noted.

Permissions Breakdown

  • contextMenus low Adds right-click menu items; minimal risk surface.
  • storage low Local preference storage; no cross-site data exposure.
  • declarativeNetRequestWithHostAccess high Can block/redirect network requests; paired with search-provider override heightens risk.
  • host_permissions: *://surfsafe.ai/* low Narrow host scope limited to dev domain only.
  • chrome_settings_overrides.search_provider (is_default=true) medium Overrides default search engine; search-provider monetization vector.

Pillar Scores

Permissions6.50
Reputation7.50
Network3.50
Webstore7.50
Maintenance0.00
Privacy9.00
Code Quality0.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-08-31 10:37
Listing SHA 3fe7ddfc1741…
Force block — not fired
Score recovered no
Elapsed