Netskope Extension Risk

Detail view · rubric v3.6
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CSS Inspector Pro

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Risk Score
3.55
Risk Level: Low
Recommendation: 🟢 LOW RISK — review
Category DeveloperTools
Installs 37
Rating
Last updated 2025-07-31 (11 months ago)
Manifest version MV3
CSP present ❌ no
Developer info@rathsh.app
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • Privacy policy URL returns SSL error (fetched=false) — policy unverifiable, treated as absent.
  • innerHTML used with user-controlled data in sidepanel.js — DOM-XSS risk, no CSP to mitigate.
  • Content scripts injected into all HTTP/HTTPS pages despite no CSP present (MV3 default applies).
  • Very low install count (37) and no ratings — no community trust signal.
  • Reputation score elevated: no verified publisher badge, small/new developer identity.

Evidence

  • privacy_policy_fetch_failed api Privacy policy URL SSL error on fetch; classified as fetched=false → +10.0 privacy pillar.
  • dom_sink_innerhtml_userctrl crx sidepanel.js assigns innerHTML from variable; no CSP present — DOM-XSS sink elevated to +2.0.
  • no_csp manifest content_security_policy is null; MV3 default applies but no explicit hardening.
  • broad_content_scripts manifest content_scripts_matches covers http://*/* and https://*/* — all pages.
  • no_verified_publisher store verified_publisher=false, is_featured_by_google=false; reputation starts at 5.0.
  • maintenance_6_12mo store months_since_update=11; falls in 6-12mo band → +3.5 maintenance.
  • no_bad_hosts_no_monetization api threat_intel shows empty bad_host_hits, affiliate_hits, monetization_hits — clean network.
  • no_cve_findings crx cve_findings_raw is empty; no vulnerable libraries detected.

Permissions Breakdown

  • activeTab low Grants access to the current tab only on user gesture; scoped and low blast radius.
  • storage low Local data persistence for extension state; no cross-origin risk.
  • contextMenus low Adds right-click menu items; no data exfil surface.
  • scripting medium Can inject JS into pages; combined with broad content_scripts matches increases surface.
  • sidePanel low UI panel only; no privileged data access.
  • host_permission: https://www.rathsh.app/* low Scoped to developer's own domain only; expected for a CSS tool.
  • content_scripts: http://*/* + https://*/* medium Broad injection into all pages; needed for CSS inspection but increases reach.

Pillar Scores

Permissions2.30
Reputation5.00
Network0.00
Webstore0.00
Maintenance3.50
Privacy10.00
Code Quality2.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-06-16 08:01
Listing SHA ddab9f99e010…
Force block — not fired
Score recovered no
Elapsed 24.1s