Netskope Extension Risk

Detail view · rubric v3.6
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Mouse Cursor - Custom Cursor

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Risk Score
2.72
Risk Level: Low
Recommendation: 🟢 LOW RISK — review
Category Other
Installs 20,000
Rating 4.0
Last updated 2026-09-14
Manifest version MV3
CSP present ❌ no
Developer cutecursor@gmail.com
Verified publisher ✅ yes
Featured by Google ✅ yes
Privacy policy link
Web Store open ↗

Top Risks

  • Content script runs on <all_urls>; can read/mutate every page the user visits.
  • No CSP declared; innerHTML sinks in popup.js and settings.js create DOM-XSS surface.
  • Developer email is free-webmail (gmail) with no developer_name listed.
  • External JS hosts include reactjs.org (third-party CDN) alongside own CDN.
  • Privacy policy admits data collection and third-party sharing without retention disclosure.

Evidence

  • content_scripts_matches=<all_urls> manifest Content scripts injected into every URL; broad reach despite no host_permissions declared.
  • no_csp manifest csp_present=false on MV3 extension; amplifies DOM-XSS risk from innerHTML findings.
  • dom_sink_innerhtml_userctrl x2 crx innerHTML assigned from variable in popup.js and settings.js; no CSP mitigates.
  • free_webmail_dev store cutecursor@gmail.com; no developer_name; domain_age_ct not queried (free webmail).
  • external_cdn_reactjs.org crx js_external_hosts includes reactjs.org — third-party domain outside dev control.
  • privacy_no_retention api Policy fetched, scoped, admits data collection + third-party sharing but retention=false.
  • verified_publisher+featured store Verified publisher and featured badges present; apply discounts to reputation pillar.
  • no_bad_hosts_no_cve api bad_host_hits=[], cve_findings_raw=[], monetization_hits=[], affiliate_hits=[] all empty.

Permissions Breakdown

  • storage low Stores extension settings locally; low risk.
  • unlimitedStorage low Allows larger local storage quota; low risk on its own.
  • scripting medium Enables programmatic script injection into pages; elevated when paired with <all_urls>.
  • content_scripts <all_urls> high Content scripts run on every site the user visits; broad read/write access to page DOM.

Pillar Scores

Permissions3.50
Reputation4.00
Network2.50
Webstore2.00
Maintenance0.00
Privacy2.00
Code Quality2.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-09-17 06:40
Listing SHA 145f8b5034c4…
Force block — not fired
Score recovered no
Elapsed