Is ScanURL.me safe to use?

ScanURL.me has a security risk score of 84.96/100 (HIGH risk). Our security analysis detected 39 findings. Review the detailed security assessment below to understand the specific risks before installation.

What are the security risks of ScanURL.me?

Based on our automated security analysis, ScanURL.me presents high 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 "ScanURL.me" on Firefox Add-ons Safe to Install?

Name: ScanURL.me
Availability: InStock
Author: Kenny

Kenny · firefox · v2.1

ScanURL.me is a FREE website security check tool to scan and check the safety of websites. ScanURL.me keeps you safe by checking URLs/links before visiting sites. It protects you from phishing, malware and blacklisted site.

Risk Assessment

Analyzed

84.96

out of 100

HIGH

39 security findings detected across all analyzers

Firefox extension requesting 6 permissions

Severity Breakdown

Critical

High

Medium

Low

Info

Finding Categories

Malware Signatures

Network

IoC Indicators

YARA Rules Matched

4 rules(13 hits)

postinstall file manipulation postinstall system command postinstall network communication postinstall file download

Requested Permissions

6 permissions

tabs

Medium

activeTab

Medium

contextMenus

Low

notifications

Low

storage

Low

https://extension.scanurl.me/*

Low

About This Extension

<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/6f84e3ee868c4a2e71d13b2378f49dae034d1d3b8d3c9a1f2e450b35814db052/http%3A//ScanURL.me" rel="nofollow">ScanURL.me</a> is a FREE website security check tool to scan and check the safety of websites. <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/6f84e3ee868c4a2e71d13b2378f49dae034d1d3b8d3c9a1f2e450b35814db052/http%3A//ScanURL.me" rel="nofollow">ScanURL.me</a> keeps you safe by checking URLs/links before visiting sites. It protects you from phishing, malware and blacklisted site.

Detailed Findings

20 total

YARA Rule Matches

4 rules

Indicators of Compromise

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

URLs

Domains

Strings

All Indicators · 19

Domain

detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

URL

detected URL: https://extension.scanurl.me/scantask/extension_token

XIOC detected URL: https://extension.scanurl.me/scantask/extension_token

extracted_from_files

URL

detected URL: https://extension.scanurl.me/*

XIOC detected URL: https://extension.scanurl.me/*

extracted_from_files

URL

detected URL: https://www.scanurl.me

XIOC detected URL: https://www.scanurl.me

extracted_from_files

Hash

detected MD5 Hash: 1222130981d54ba347ac3cb6b74fd652

XIOC detected MD5 Hash: 1222130981d54ba347ac3cb6b74fd652

extracted_from_files

Domain

detected Domain: data.safe

XIOC detected Domain: data.safe

extracted_from_files

Domain

detected Domain: tab.id

XIOC detected Domain: tab.id

extracted_from_files

Domain

detected Domain: window.location.search

XIOC detected Domain: window.location.search

extracted_from_files

URL

detected Domain: scanurl.me

XIOC detected Domain: scanurl.me

extracted_from_files

URL

detected Domain: www.scanurl.me

XIOC detected Domain: www.scanurl.me

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://extension.scanurl.me/scantask/extension_check

XIOC detected URL: https://extension.scanurl.me/scantask/extension_check

extracted_from_files

Domain

detected Domain: mozilla.com

XIOC detected Domain: mozilla.com

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: t818f4f534be03b3ebac2f9df468dd597.1222130981d54ba347ac3cb6b74fd652.addons.mozilla.org

XIOC detected Domain: t818f4f534be03b3ebac2f9df468dd597.1222130981d54ba347ac3cb6b74fd652.addons.mozilla.org

extracted_from_files

URL

detected Domain: extension.scanurl.me

XIOC detected Domain: extension.scanurl.me

extracted_from_files

Domain

detected Domain: browser.runtime.id

XIOC detected Domain: browser.runtime.id

extracted_from_files

Domain

detected Domain: date.now

XIOC detected Domain: date.now

extracted_from_files

Security Analysis Summary

Security Analysis Overview

ScanURL.me is a Firefox Add-ons extension published by Kenny. Version 2.1 has been analyzed by the Risky Plugins security platform, receiving a risk score of 84.96/100 (HIGH risk) based on 39 security findings.

Risk Assessment

This extension presents critical security risk. Severe issues were detected, potentially including malware indicators, exposed secrets, or dangerous behaviors. Installation is strongly discouraged until these issues are addressed.

Findings Breakdown

High: 13 finding(s)
Medium: 26 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

ScanURL.me is published by Kenny on the Firefox Add-ons marketplace. The extension has approximately 18 users.

Recommendation

This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.

Source Code Viewer

Source Code Not Available

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

Frequently Asked Questions

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Is "ScanURL.me" on Firefox Add-ons Safe to Install?

Risk Assessment

Severity Breakdown

Finding Categories

YARA Rules Matched

Requested Permissions

About This Extension

Detailed Findings

NET-FETCH-popup.js-98

NET-FETCH-background.js-115

MANIFEST-SENSITIVE-PERM-TABS

NET-FETCH-popup.js-86

NET-FETCH-background.js-103

NET-FETCH-popup.js-36

NET-FETCH-background.js-68

YARA Rule Matches

postinstall file manipulation

postinstall system command

postinstall network communication

postinstall file download

Indicators of Compromise

All Indicators · 19

Security Analysis Summary

Security Analysis Overview

Risk Assessment

Findings Breakdown

What Was Analyzed

Developer Information

Recommendation

Frequently Asked Questions

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