Reader Mode - Natural Reader and dark modeSecurity Analysis

Chromev1.3.6MV3February 18, 2026 at 12:10 PM
Potentially unsafe

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

Known Security Incidents(1)

Critical2024-12Resolved

Compromised in Cyberhaven supply chain attack

Extension was among 35+ extensions compromised in the December 2024 supply chain attack campaign that injected data-stealing code.

5.7MEDIUM
5.7 MEDIUMRaw: 7.1

This extension shows some risk signals that are common in legitimate extensions but worth reviewing. Check the details below.

Based on 5 permissions including high-risk ones, 36 code findings, 1 dangerous combination.

Trust Signals(4.5/10)

Users
10K
Rating
4.7(24 reviews)
Developer
Ciao Apps LTD
Status
Featured

Dangerous Combinations(1)

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
4.3/10

Permissions(5 analyzed)

Code Findings(14 patterns, 36 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(2 findings)

Resolved from __MSG_* i18n placeholders:

Name: Reader Mode - Natural Reader and dark mode

Description: Distraction-free chrome reader view extension and dark mode for Chrome.

MEDIUM
web_accessible_resources.matchesOverly broad match patterns

Web-accessible resources use <all_urls> or wildcard patterns, exposing resources to every website.

MEDIUM
content_scriptsContent script injected on all URLs

Content script matches <all_urls>, executing on every website the user visits.

External Domains(2)

images.unsplash.comworker.reader-view.com

Indicators of Compromise

3 indicators of compromise found

File Statistics

88
Total Files
7
JS Files
361.7 KB
Total Size

Other Scanned Extensions