Netskope Extension Risk

Detail view · rubric v3.6
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Norton Password Manager

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Risk Score
4.31
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Security
Installs 5,000,000
Rating 2.7
Last updated 2026-09-10 (1 months ago)
Manifest version MV3
CSP present ❌ no
Developer DL-BPChromeExt1@nortonlifelock.com
Verified publisher ✅ yes
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • Privacy policy (gendigital.com/privacy) is not scoped to this extension and data_collection=false — opaque data handling for a 5M-user credential manager.
  • No CSP present on MV3 extension with <all_urls> + scripting + webRequest; function_constructor calls and innerHTML sink amplify XSS risk.
  • React 16.13.1 bundled; below XSS-fix threshold (16.4) with no CSP — DOM-XSS sink in vendor/libs.react.js is higher risk.
  • Low rating (2.7) across a large install base; no developer display name despite corporate email, reducing accountability signals.
  • Content scripts injected on <all_urls> including financial checkout pages (Amazon, Citi, Zappos) — broad credential/payment page access.

Evidence

  • no_csp_mv3 manifest content_security_policy is null; MV3 default is stricter but absence of explicit CSP leaves eval-like constructs less constrained.
  • privacy_policy_not_extension_scoped api gendigital.com/privacy: fetched=true, scope_extension=false, data_collection=false — generic corporate policy, not scoped to this extension.
  • function_constructor_multiple_files crx new Function() constructor found in 6 content-script files; pattern is boilerplate globalThis polyfill but still present.
  • dom_sink_innerhtml_no_csp crx innerHTML sink in vendor/libs.react.js (React 16.13.1 < 16.4); no CSP to mitigate DOM-XSS.
  • verified_publisher_nortonlifelock store verified_publisher=true, developer_domain nortonlifelock.com resolves; recognized security brand.
  • broad_host_permissions_password_manager manifest <all_urls> host permission + scripting + webRequest; justified for password manager but high capability surface.
  • low_rating_large_install_base store Rating 2.7 on 5M installs; no review red flags in structured data but low score is notable.
  • financial_checkout_content_scripts manifest Content scripts scoped to Amazon, Citi, Zappos, Steam checkout pages — direct access to payment flows.

Permissions Breakdown

  • contextMenus low UI convenience; minimal data access.
  • notifications low Display only; no data exfil risk.
  • storage low Local extension state storage.
  • tabs medium Can read tab URLs and titles across all sites.
  • webNavigation medium Observe navigation events; tracks browsing patterns.
  • webRequest high Observe all HTTP traffic on all URLs; paired with <all_urls>.
  • alarms low Background scheduling only.
  • clipboardWrite medium Can write to clipboard; password manager use case but sensitive.
  • scripting high Inject scripts into any page; paired with <all_urls> broad reach.
  • <all_urls> (host_permission) high Full access to all websites; required for password manager function.

Pillar Scores

Permissions5.00
Reputation3.50
Network3.50
Webstore2.50
Maintenance0.00
Privacy9.00
Code Quality3.50
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-06-16 07:16
Listing SHA 9fc52d90ae72…
Force block — not fired
Score recovered no
Elapsed 49.5s