Netskope Extension Risk

Detail view · rubric v3.6
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Alby - Bitcoin Wallet for Lightning & Nostr

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Risk Score
5.03
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Security
Installs 50,000
Rating 4.3
Last updated 2026-03-18 (3 months ago)
Manifest version MV3
CSP present ✅ yes
Developer extension@getalby.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • nativeMessaging with unrecognized publisher bridges extension to OS-level native app (+3.0 permissions).
  • Privacy policy fetched but scope_extension==false AND data_collection+third_party_sharing==true → admits broad data sharing without scoping to this extension (+10.0 privacy).
  • Broad *://*/* host permissions + scripting gives full page read/write capability across all sites.
  • developer_name empty and no verified-publisher badge limits accountability signals (+0.5 reputation).
  • uninstall_url_hijack flag set true; target is null but signal warrants review.

Evidence

  • nativeMessaging + publisher_recognized==false manifest native_messaging_check.publisher_recognized=false; companion app identity unverifiable, +3.0 permissions.
  • Privacy policy: scope_extension=false, data_collection=true, third_party_sharing=true crx Policy fetched but does not scope to extension; admits collection+3rd-party sharing → +10.0 privacy (D rule).
  • host_permissions *://*/* + content_scripts *://*/* manifest Full broad host access paired with scripting permission enables page content manipulation on all URLs.
  • uninstall_url_hijack=true crx Extension sets uninstall URL; target is null in scan data. Warrants manual verification.
  • developer_name empty store No 'Offered by' display name; reduces accountability. Email domain getalby.com resolves and is not throwaway.
  • MV3 + CSP present manifest script-src 'self' 'wasm-unsafe-eval'; no remote CDN in CSP; no network penalty applied.
  • No bad/affiliate/monetization hosts crx threat_intel shows all hit lists empty; developer domain resolves; looks_throwaway=false.
  • code_findings_raw empty, obfuscation_score=0.0 crx No suspicious JS patterns detected; code quality pillar scores 0.0.

Permissions Breakdown

  • nativeMessaging high Bridges to native OS apps; publisher_recognized==false adds +3.0 to permissions.
  • scripting high Programmatic script injection into pages; paired with *://*/* host access.
  • tabs medium Access to tab URLs and metadata across all sites.
  • notifications low Display notifications; low standalone risk.
  • storage low Local extension storage; expected for a wallet.
  • unlimitedStorage low Removes storage quota; expected for wallet/key data.
  • contextMenus low Adds right-click menu items; low risk.
  • *://*/* (host_permissions) high Broad host access enables content scripts and scripting on every site.

Pillar Scores

Permissions7.00
Reputation5.50
Network2.00
Webstore4.50
Maintenance0.00
Privacy10.00
Code Quality0.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-06-16 07:44
Listing SHA 4e00ddaa8d29…
Force block — not fired
Score recovered no
Elapsed 26.1s