Netskope Extension Risk

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Note Board - Sticky Notes App

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Risk Score
4.04
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Productivity
Installs 200,000
Rating 4.8
Last updated 2026-06-15
Manifest version MV3
CSP present ✅ yes
Developer contact@noteboardapp.com
Verified publisher ✅ yes
Featured by Google ✅ yes
Privacy policy link
Web Store open ↗

Top Risks

  • Privacy policy is Google's generic account policy — not scoped to this extension, admits data collection and third-party sharing (Privacy pillar: 10.0).
  • jquery@2.0.3 has 4 medium CVEs (XSS); library far below fixed_in versions; combined with innerHTML sinks raises exploitability.
  • Dynamic <script> creation in bundled TinyMCE loads external JS at runtime — remote code loading risk.
  • Uninstall URL hijack flag set (uninstall_url_hijack=true); destination unknown but warrants review.
  • 12 js_external_hosts referenced in CSP/code (delicious.com, feedburner, flickr, friendfeed, twitter, youtube, etc.) — broad social/CDN surface for a notes app.

Evidence

  • privacy_policy_generic store Privacy policy points to Google account policy; scope_extension=false, data_collection=true, third_party_sharing=true → Privacy pillar 10.0.
  • cve_jquery_medium_x4 crx jquery@2.0.3 has CVE-2015-9251, CVE-2019-11358, CVE-2020-11022, CVE-2020-11023 (all medium, unfixed at bundled version).
  • script_src_dynamic crx TinyMCE bundles dynamic <script> src construction in jquery.tinymce.js and jquery.tinymce.min.js.
  • dom_sink_innerHTML_widespread crx dom_sink_innerhtml_userctrl found in 14 files across TinyMCE, Readability, materialize, sweetalert, reveal.js.
  • uninstall_url_hijack crx uninstall_url_hijack=true; target URL null/unknown — potential tracking or redirect on uninstall.
  • external_hosts_broad crx 11 external JS hosts in CSP: delicious.com, digg.com, feedburner, flickr, friendfeed, googleapis, twitter, youtube, noteboardapp.com, etc.
  • verified_featured_publisher store verified_publisher=true, is_featured_by_google=true; discount applied but capped due to monetization/affiliate context absent — full discount applies.
  • csp_sandbox_remote_scripts manifest CSP sandbox allows script-src including gstatic, googleapis, ajax.googleapis, note-board-web.firebaseio.com, *.firebaseio.com.

CVE Exposures (4)

CVELibrarySeverity Fixed inSummary
CVE-2019-11358 jquery@2.0.3 moderate 3.4.0 XSS in jQuery as used in Drupal, Backdrop CMS, and other products
CVE-2020-11022 jquery@2.0.3 moderate 3.5.0 Potential XSS vulnerability in jQuery
CVE-2020-11023 jquery@2.0.3 moderate 3.5.0 Potential XSS vulnerability in jQuery
CVE-2015-9251 jquery@2.0.3 moderate 1.12.2 Cross-Site Scripting (XSS) in jquery

Permissions Breakdown

  • contextMenus low Adds right-click menu items; minimal risk.
  • unlimitedStorage low Allows storing more data locally; no data exfil risk on its own.
  • activeTab low Access to current tab only on user gesture; limited scope.
  • storage low Local key-value storage; expected for notes app.
  • scripting medium Can inject scripts into pages; paired only with activeTab, so limited.
  • alarms low Scheduled callbacks; used for reminders.
  • offscreen low Off-screen document for background tasks; low direct risk.
  • system.display low Read display info; used for sticky note positioning.

Pillar Scores

Permissions2.30
Reputation2.00
Network2.50
Webstore3.00
Maintenance0.00
Privacy10.00
Code Quality6.00
CVE Exposure5.00

Bookkeeping

Rubric v3.6
Scored at 2026-06-16 06:08
Listing SHA 01168561f62e…
Force block — not fired
Score recovered no
Elapsed 40.8s