Netskope DEM Browser Extension
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Risk Score
5.44
Risk Level:
Medium
Recommendation:
🟡 MEDIUM RISK — review
Top Risks
- Privacy policy fetch failed; classified as unfetched → maximum privacy score (10.0).
- webRequest + scripting + <all_urls> on MV3 allows full traffic observation and script injection into every site.
- Uninstall URL hijack detected (uninstall_url_hijack=true) — redirects user on removal.
- External JS hosts include hashed domain and devint-automation subdomain; no CSP present on MV3.
- Not a verified publisher; individual developer email on corporate domain, low install count.
Evidence
- privacy_policy_fetch_failed api Privacy policy URL returned HTTP error; classified as fetched=false → pillar score 10.0.
- uninstall_url_hijack crx uninstall_url_hijack=true; target null — extension registers an uninstall redirect.
- high_permissions_combo manifest webRequest + scripting + <all_urls>: observe and modify all network traffic and inject scripts everywhere.
- external_js_hosts crx 7 external JS hosts including hashed domain aaa0272bbb..., devint-automation.boomskope.com, and public sites.
- no_csp manifest content_security_policy is null; MV3 has strict default but no explicit CSP declared.
- not_verified_publisher store verified_publisher=false, is_featured_by_google=false; individual email on netskope.com domain.
- low_install_count store Only 1,000 installs for an enterprise security tool with high-tier permissions.
- no_bad_hosts_no_cves api threat_intel shows no bad_host_hits, no monetization, no affiliate hits; cve_findings_raw empty.
Permissions Breakdown
- storage low Local data persistence only.
- alarms low Scheduling/polling; minimal risk.
- scripting medium Can inject scripts into pages; paired with <all_urls> elevates capability.
- declarativeNetRequest medium Network rule evaluation; less risky than webRequestBlocking.
- webRequest high Observe all network traffic across all URLs; broad surveillance capability.
- webNavigation medium Track user navigation events across all tabs.
- tabs medium Access tab URLs, titles, and state across all tabs.
- offscreen low Background DOM operations; low direct risk.
- system.memory low Read system memory info; DEM telemetry use case.
- system.cpu low Read CPU metrics; DEM telemetry use case.
- <all_urls> high Host permission covering all sites; combined with webRequest and scripting is maximum reach.
Pillar Scores
Permissions7.50
Reputation4.50
Network4.00
Webstore5.50
Maintenance1.50
Privacy10.00
Code Quality0.00
CVE Exposure0.00
Bookkeeping
Rubric v3.6
Scored at 2026-07-06 18:33
Listing SHA
aa983f66f14a…
Force block
— not fired
Score recovered
no
Elapsed
—