Is HN Blocklist safe to use?

HN Blocklist has a security risk score of 35.91/100 (LOW risk). Our security analysis detected 38 findings. Review the detailed security assessment below to understand the specific risks before installation.

What are the security risks of HN Blocklist?

Based on our automated security analysis, HN Blocklist presents low risk level. The extension is analyzed for malware patterns, secret exposure, network communications, permissions, and supply chain vulnerabilities.

How is the security score calculated?

Risky Plugins calculates security scores using weighted categories: severity of findings (25 points max), malware detections (35 points), secret exposure (28 points), network communications (10 points), and obfuscation (10 points). Scores range from 0-100, with higher scores indicating greater risk.

What does CRITICAL, HIGH, MEDIUM, LOW, MINIMAL risk mean?

CRITICAL (80-100): Severe security issues like malware. HIGH (60-79): Significant vulnerabilities. MEDIUM (40-59): Moderate security concerns. LOW (20-39): Minor issues. MINIMAL (0-19): Very low risk. Always review findings before installing any extension.

Is "HN Blocklist" on Firefox Add-ons Safe to Install?

Name: HN Blocklist
Availability: InStock
Author: phailyoor

phailyoor · firefox · v0.0.2resigned1

This release for Firefox is not supported by the original author. Contact me if it is not working.

Risk Assessment

Analyzed

35.91

out of 100

LOW

38 security findings detected across all analyzers

Firefox extension requesting 3 permissions

Severity Breakdown

Critical

High

Medium

Low

Info

Finding Categories

Malware Signatures

IoC Indicators

YARA Rules Matched

3 rules

postinstall environment access postinstall network communication postinstall file manipulation

Requested Permissions

3 permissions

storage

Low

http://news.ycombinator.com/*

Low

https://news.ycombinator.com/*

Low

About This Extension

This release for Firefox is not supported by the original author. Contact me if it is not working.

Detailed Findings

3 total

YARA Rule Matches

3 rules

Indicators of Compromise

Network indicators, suspicious strings, and potential IoCs extracted during analysis

URLs

IP Addresses

Domains

Strings

All Indicators · 35

Domain

detected Domain: news.ycombinator.com

XIOC detected Domain: news.ycombinator.com

extracted_from_files

detected IP: ::

XIOC detected IP: ::

extracted_from_files

URL

detected URL: http://news.ycombinator.com/*

XIOC detected URL: http://news.ycombinator.com/*

extracted_from_files

URL

detected URL: https://news.ycombinator.com/*

XIOC detected URL: https://news.ycombinator.com/*

extracted_from_files

Hash

detected MD5 Hash: 41da6511a2f1f75a47d0569b88714ead

XIOC detected MD5 Hash: 41da6511a2f1f75a47d0569b88714ead

extracted_from_files

Hash

detected SHA1 Hash: 84d8bd7bde803cb4b0ff07a918513c0fb0b92a2f

XIOC detected SHA1 Hash: 84d8bd7bde803cb4b0ff07a918513c0fb0b92a2f

extracted_from_files

URL

detected URL: http://addons.mozilla.org/ca/crl.pem0N

XIOC detected URL: http://addons.mozilla.org/ca/crl.pem0N

extracted_from_files

URL

detected URL: https://chrome.google.com/webstore/detail/hn-blocklist/cgphkkepnnepcjnjgboihccobkjoecoc)

XIOC detected URL: https://chrome.google.com/webstore/detail/hn-blocklist/cgphkkepnnepcjnjgboihccobkjoecoc)

extracted_from_files

URL

detected URL: https://chrome.google.com/webstore/detail/hn-blocklist/cgphkkepnnepcjnjgboihccobkjoecoc?hl=en).

XIOC detected URL: https://chrome.google.com/webstore/detail/hn-blocklist/cgphkkepnnepcjnjgboihccobkjoecoc?hl=en).

extracted_from_files

detected IP: ::f

XIOC detected IP: ::f

extracted_from_files

URL

detected URL: http://ns.adobe.com/tiff/1.0/

XIOC detected URL: http://ns.adobe.com/tiff/1.0/

extracted_from_files

URL

detected URL: http://ns.adobe.com/exif/1.0/

XIOC detected URL: http://ns.adobe.com/exif/1.0/

extracted_from_files

URL

detected URL: http://purl.org/dc/elements/1.1/

XIOC detected URL: http://purl.org/dc/elements/1.1/

extracted_from_files

Domain

detected Domain: uh.mil

XIOC detected Domain: uh.mil

extracted_from_files

Domain

detected Domain: tp.cf

XIOC detected Domain: tp.cf

extracted_from_files

Domain

detected Domain: t.ga

XIOC detected Domain: t.ga

extracted_from_files

Domain

detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

URL

detected URL: http://ns.adobe.com/xap/1.0/

XIOC detected URL: http://ns.adobe.com/xap/1.0/

extracted_from_files

Domain

detected Domain: value.hn

XIOC detected Domain: value.hn

extracted_from_files

Domain

detected Domain: date.now

XIOC detected Domain: date.now

extracted_from_files

Domain

detected Domain: addons.mozilla.org

XIOC detected Domain: addons.mozilla.org

extracted_from_files

Domain

detected Domain: content-signature.mozilla.org

XIOC detected Domain: content-signature.mozilla.org

extracted_from_files

Domain

detected Domain: t72f9f2a84920765b47afed208ab5bc40.41da6511a2f1f75a47d0569b88714ead.addons.mozilla.org

XIOC detected Domain: t72f9f2a84920765b47afed208ab5bc40.41da6511a2f1f75a47d0569b88714ead.addons.mozilla.org

extracted_from_files

Domain

detected Domain: chrome.google.com

XIOC detected Domain: chrome.google.com

extracted_from_files

Domain

detected Domain: www.w3.org

XIOC detected Domain: www.w3.org

extracted_from_files

Domain

detected Domain: ns.adobe.com

XIOC detected Domain: ns.adobe.com

extracted_from_files

URL

detected Domain: purl.org

XIOC detected Domain: purl.org

extracted_from_files

URL

detected URL: http://www.w3.org/1999/02/22-rdf-syntax-ns#

XIOC detected URL: http://www.w3.org/1999/02/22-rdf-syntax-ns#

extracted_from_files

detected IP: 9::

XIOC detected IP: 9::

extracted_from_files

detected IP: 5::

XIOC detected IP: 5::

extracted_from_files

detected IP: 6::

XIOC detected IP: 6::

extracted_from_files

Domain

detected Domain: readme.md

XIOC detected Domain: readme.md

extracted_from_files

Domain

detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

Domain

detected Domain: mozilla.com

XIOC detected Domain: mozilla.com

extracted_from_files

URL

detected URL: https://github.com/morgante/hn_blocklist

XIOC detected URL: https://github.com/morgante/hn_blocklist

extracted_from_files

Security Analysis Summary

Security Analysis Overview

HN Blocklist is a Firefox Add-ons extension published by phailyoor. Version 0.0.2resigned1 has been analyzed by the Risky Plugins security platform, receiving a risk score of 35.91/100 (LOW risk) based on 38 security findings.

Risk Assessment

This extension presents low security risk. Some minor findings were detected, but nothing that would prevent typical usage. Reviewing the detailed findings below is recommended before use in sensitive environments.

Findings Breakdown

High: 3 finding(s)
Medium: 35 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

Malware Detection: YARA rule matching against 2,400+ malware signatures
Secret Detection: Scanning for exposed API keys, tokens, and credentials
Static Analysis: Code-level security analysis for common vulnerability patterns
Network Analysis: Detection of suspicious network communications and endpoints
Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

HN Blocklist is published by phailyoor on the Firefox Add-ons marketplace. The extension has approximately 3 users.

Recommendation

Exercise caution with this extension. Review the detailed findings and ensure the requested permissions align with the extension's stated functionality before installation.

Source Code Viewer

Source Code Not Available

Source code is not available for this version of the extension.