Netskope Extension Risk

Detail view · rubric v3.6
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Colorway: Eyedropper & Color Picker Tool

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Risk Score
3.18
Risk Level: Low
Recommendation: 🟢 LOW RISK — review
Category DeveloperTools
Installs 20,000
Rating 4.6
Last updated 2026-06-02
Manifest version MV3
CSP present ❌ no
Developer team@chroma.dev
Verified publisher ✅ yes
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • Privacy policy fetched but too short (115 chars), no extension scope or data collection disclosure — effectively uninformative.
  • function_constructor (new Function()) found in bundled JS — dynamic code execution risk.
  • Two innerHTML-from-variable DOM-XSS sinks; no CSP present amplifies exploitability.
  • Install-URL hijack opens colorway.app/onboarding on install — minor but noteworthy onboarding redirect.
  • External JS hosts include third-party domains (dev.us14.list-manage.com = Mailchimp); no CSP to constrain them.

Evidence

  • no_csp crx content_security_policy is null (MV3 default CSP applies but no custom hardening); amplifies DOM-sink risk.
  • privacy_policy_too_short store Policy fetched (length=115) but scope_extension=false and data_collection=false — inadequate disclosure.
  • function_constructor crx new Function() found in js/app.d104596b.js — dynamic code execution, risk of eval-equivalent misuse.
  • dom_sink_innerhtml crx Two innerHTML sinks in dribbble-helper.js and webcomponents-bundle.js with no CSP guard.
  • install_url_hijack crx onInstalled opens https://colorway.app/onboarding — own domain, low severity but onboarding redirect present.
  • external_hosts crx JS contacts dev.us14.list-manage.com (Mailchimp), github.com, microsoftedge.microsoft.com, polymer.github.io.
  • verified_publisher store verified_publisher=true; chroma.dev resolves, looks_throwaway=false — credibility positive.
  • no_cve crx cve_findings_raw is empty; no known-vulnerable libraries detected.

Permissions Breakdown

  • activeTab medium Access to current tab on user action; limited scope but enables DOM/URL read.
  • scripting medium Allows injecting scripts into pages; combined with activeTab, enables DOM manipulation.
  • storage low Local data persistence only; no network exfil capability on its own.
  • contextMenus low Adds right-click menu items; low standalone risk.

Pillar Scores

Permissions2.30
Reputation2.00
Network2.00
Webstore2.00
Maintenance0.00
Privacy9.00
Code Quality4.50
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-06-15 14:36
Listing SHA 5d50388fbe9e…
Force block — not fired
Score recovered no
Elapsed 25.4s