Is "Colour Vision Deficiency Assistant" on Firefox Add-ons Safe to Install?

Jeurissen Apps · firefox · v0.5.0

Make websites more accessible for people with color vision deficiencies. Featuring: - Underline every link - Emphasise (visited) links - Highlight buttons - Force clear focus state - Disable all styling

Risk Assessment

Analyzed
57.82
out of 100
MEDIUM

42 security findings detected across all analyzers

Firefox extension requesting 4 permissions

Severity Breakdown

0
Critical
6
High
36
Medium
0
Low
0
Info

Finding Categories

6
Malware Signatures
34
IoC Indicators

YARA Rules Matched

5 rules(6 hits)
postinstall network communication postinstall system command credential metamask extension postinstall file manipulation postinstall persistence mechanism

Requested Permissions

4 permissions
<all_urls>

Access and modify data on every website you visit

Dangerous
tabs
Medium
scripting
Low
storage
Low

About This Extension

Make websites more accessible for people with color vision deficiencies. Featuring: - Underline every link - Emphasise (visited) links - Highlight buttons - Force clear focus state - Disable all styling

Detailed Findings

8 total

YARA Rule Matches

5 rules

Indicators of Compromise

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

URLs
7
IP Addresses
2
Domains
23
Strings
34

All Indicators · 34

IP
detected IP: ::

XIOC detected IP: ::

extracted_from_files

Domain
detected Domain: n.page

XIOC detected Domain: n.page

extracted_from_files

URL
detected URL: https://apps.jeurissen.co/

XIOC detected URL: https://apps.jeurissen.co/

extracted_from_files

URL
detected URL: https://docs.google.com/forms/d/e/1FAIpQLSde1E73EbVS-bVf9ys9eMxPzbuzLSwHMjbCZPXWbMa5AYW1hw/viewform

XIOC detected URL: https://docs.google.com/forms/d/e/1FAIpQLSde1E73EbVS-bVf9ys9eMxPzbuzLSwHMjbCZPXWbMa5AYW1hw/viewform

extracted_from_files

URL
detected URL: https://apps.jeurissen.co/.well-known/security.txt

XIOC detected URL: https://apps.jeurissen.co/.well-known/security.txt

extracted_from_files

Hash
detected MD5 Hash: 62462c4e6478f383b98bb1361cbd5699

XIOC detected MD5 Hash: 62462c4e6478f383b98bb1361cbd5699

extracted_from_files

Domain
detected Domain: docs.google.com

XIOC detected Domain: docs.google.com

extracted_from_files

Domain
detected Domain: e.target

XIOC detected Domain: e.target

extracted_from_files

Other
detected Email: [email protected]

XIOC detected Email: [email protected]

extracted_from_files

Domain
detected Domain: e.world

XIOC detected Domain: e.world

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://apps.jeurissen.co

XIOC detected URL: https://apps.jeurissen.co

extracted_from_files

URL
detected URL: http://www.w3.org/2000/svg

XIOC detected URL: http://www.w3.org/2000/svg

extracted_from_files

Domain
detected Domain: t.id

XIOC detected Domain: t.id

extracted_from_files

Domain
detected Domain: j.name

XIOC detected Domain: j.name

extracted_from_files

Domain
detected Domain: c.windows

XIOC detected Domain: c.windows

extracted_from_files

Domain
detected Domain: date.now

XIOC detected Domain: date.now

extracted_from_files

Domain
detected Domain: c.runtime.id

XIOC detected Domain: c.runtime.id

extracted_from_files

Domain
detected Domain: n.origins

XIOC detected Domain: n.origins

extracted_from_files

Domain
detected Domain: www.w3.org

XIOC detected Domain: www.w3.org

extracted_from_files

Domain
detected Domain: c.tabs.tab

XIOC detected Domain: c.tabs.tab

extracted_from_files

Domain
detected Domain: n.id

XIOC detected Domain: n.id

extracted_from_files

Domain
detected Domain: t.open

XIOC detected Domain: t.open

extracted_from_files

Domain
detected Domain: c.tabs.group

XIOC detected Domain: c.tabs.group

extracted_from_files

Domain
detected Domain: n.run

XIOC detected Domain: n.run

extracted_from_files

Domain
detected Domain: n.world

XIOC detected Domain: n.world

extracted_from_files

Other
detected Email: [email protected]

XIOC detected Email: [email protected]

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

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: apps.jeurissen.co

XIOC detected Domain: apps.jeurissen.co

extracted_from_files

Domain
detected Domain: t58c73abd4148deecc22d4726ea5dce7a.62462c4e6478f383b98bb1361cbd5699.addons.mozilla.org

XIOC detected Domain: t58c73abd4148deecc22d4726ea5dce7a.62462c4e6478f383b98bb1361cbd5699.addons.mozilla.org

extracted_from_files

URL
detected URL: https://apps.jeurissen.co/color-vision-deficiency-assistant

XIOC detected URL: https://apps.jeurissen.co/color-vision-deficiency-assistant

extracted_from_files

Security Analysis Summary

Security Analysis Overview

Colour Vision Deficiency Assistant is a Firefox Add-ons extension published by Jeurissen Apps. Version 0.5.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 57.82/100 (MEDIUM risk) based on 42 security findings.

Risk Assessment

This extension presents moderate security risk. Several findings were detected that may warrant attention. Users should carefully review the permissions and findings before installation.

Findings Breakdown

  • High: 6 finding(s)
  • Medium: 36 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

Colour Vision Deficiency Assistant is published by Jeurissen Apps 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.

Frequently Asked Questions