Netskope Extension Risk

Detail view · rubric v3.6
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JsonLoom: Visual JSON Mindmap

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Risk Score
5.58
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category DeveloperTools
Installs
Rating
Last updated 2026-07-13 (2 months ago)
Manifest version MV3
CSP present ❌ no
Developer hunkiepeanut.dev@gmail.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • declarativeNetRequestWithHostAccess + <all_urls>: can intercept/modify all network traffic across every site.
  • Privacy policy is Google's own policy (not scoped to this extension) and admits data collection + 3rd-party sharing.
  • Free-webmail developer (gmail), no verified publisher, no business website — low accountability.
  • Install-URL hijack: onInstalled opens a third-party URL, unsolicited redirect on installation.
  • Content scripts injected on all URLs give full DOM read/write access to every page visited.

Evidence

  • declarativeNetRequestWithHostAccess + <all_urls> manifest HIGH permission paired with broad host access; can block/redirect any network request on any site.
  • Privacy policy is generic Google account policy store scope_extension=false, data_collection=true, third_party_sharing=true — worst-case privacy disclosure.
  • Free-webmail developer, no verified publisher store hunkiepeanut.dev@gmail.com, no badge, no business domain — minimal accountability.
  • install_url_hijack=true crx Extension opens a URL on install via onInstalled; target not disclosed.
  • js_external_hosts includes aim.cloudflare.com, speed.cloudflare.com crx External JS hosts present; Cloudflare endpoints suggest telemetry or CDN usage from a JSON viewer.
  • No content_security_policy (MV3) manifest csp_present=false; MV3 has strict defaults but no explicit CSP declared.
  • Zero installs, zero ratings store No user base to validate behavior; tail-attack surface concern.
  • example.com and foo.bar in js_external_hosts crx Placeholder/test domains present in external host list — code quality or development artifact concern.

Permissions Breakdown

  • storage low Stores local extension data; minimal risk.
  • declarativeNetRequestWithHostAccess high Can intercept and modify network requests across all sites when paired with <all_urls>.
  • <all_urls> (host_permissions) high Broad host access to every site the user visits; high capability reach.
  • content_scripts <all_urls> high Content scripts injected into every page; can read/manipulate all page content.

Pillar Scores

Permissions7.50
Reputation8.00
Network4.50
Webstore3.00
Maintenance0.00
Privacy10.00
Code Quality0.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-09-02 13:22
Listing SHA bf3e5f2797a1…
Force block — not fired
Score recovered no
Elapsed