Dark Mode for ChromeSecurity Analysis

Chromev1.0.6MV3February 18, 2026 at 11:41 AM
Potentially unsafe

This extension shows concerning patterns that may indicate risky behavior. Proceed with caution.

6.4HIGH
6.4 HIGHRaw: 7.1

This extension shows significant risk signals. Review the findings below carefully before installing or continuing to use it.

Based on 7 permissions including high-risk ones, 16 code findings, 2 dangerous combinations.

Trust Signals(3.5/10)

Users
60K
Rating
4.6(2K reviews)
Status
Featured

Dangerous Combinations(2)

MEDIUMTab tracking API + external communication

Extension uses tab tracking APIs (onUpdated/query) and communicates with external servers — potential browsing surveillance.

tabs+tabs API usage + external network
CRITICALAll-sites access + keyboard capture

Extension has access to all sites and captures keyboard input — behavior consistent with a keylogger.

<all_urls>+keylogger_pattern
Permissions
7.0/10
Code
6.8/10
Combinations
10.0/10
Manifest/CSP
3.9/10

Permissions(7 analyzed)

Code Findings(10 patterns, 16 total)

Content Security Policy

No CSP Defined(1 issue)
MEDIUM
N/ANo CSP defined

This extension does not define a Content Security Policy. A CSP helps prevent XSS and code injection attacks.

Manifest Analysis(1 finding)

Resolved from __MSG_* i18n placeholders:

Name: Dark Mode for Chrome

Description: Dark mode for all websites. Use dark theme for night and daily browsing with dark reader. Night shift mode.

HIGH
content_scriptsAggressive content script injection

Content script runs at document_start in ALL frames on ALL URLs. This gives the extension deep access to every page load, including iframes.

External Domains(1)

addons.mozilla.org

Indicators of Compromise

7 indicators of compromise found

File Statistics

68
Total Files
12
JS Files
400.2 KB
Total Size

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