Cold Messenger
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Risk Score
4.91
Risk Level:
Medium
Recommendation:
🟡 MEDIUM RISK — review
Top Risks
- THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Cold Messenger [data-theft] + malext.io malicious_extension_sentry (+2.5, capped).
- Free-webmail developer (gmail) with no business website or verified identity raises accountability concerns.
- No developer name listed in store; anonymous publisher reduces governance assurance.
- Only 5 installs with no ratings; zero community validation of behaviour.
- Privacy policy hosted on free Firebase hosting; scope and retention are disclosed but developer identity unverifiable.
Evidence
- free_webmail_developer store Developer email adeelghauri9965@gmail.com; no business domain; no verified publisher badge.
- no_developer_name store developer_name is empty string; anonymous publisher.
- narrow_host_permissions manifest Host permissions and content_scripts limited to https://my.quo.com/*; low blast radius.
- no_code_findings crx code_findings_raw is empty; obfuscation_score 0.0; 8 JS files scanned.
- no_cve_findings crx cve_findings_raw empty; no known-bad-host hits.
- privacy_policy_adequate api Policy fetched; scope_extension, data_collection, retention, third_party_sharing all true; no third_party_silence.
- very_low_installs store Only 5 installs; zero ratings; no community validation.
- recently_updated store Last updated July 4, 2026; 1 month ago; maintenance risk zero.
- threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Cold Messenger [data-theft] + malext.io malicious_extension_sentry; score 2.41 -> 4.91 (+2.5 cap 2.5).
Permissions Breakdown
- storage low Local data persistence; low inherent risk.
- scripting medium Can inject scripts into pages; scoped to my.quo.com only.
- notifications low Desktop notifications; limited abuse surface.
- offscreen low Off-screen document for background tasks; low risk in isolation.
- https://my.quo.com/* low Narrow host permission scoped to single domain; matches stated function.
Pillar Scores
Permissions1.50
Reputation7.50
Network0.00
Webstore1.50
Maintenance0.00
Privacy1.00
Code Quality0.00
CVE Exposure0.00
Bookkeeping
Rubric v3.6
Scored at 2026-11-03 09:52
Listing SHA
74f406791e1a…
Force block
— not fired
Score recovered
no
Elapsed
—