Is Flat UI safe to use?

Flat UI has a security risk score of 52.95/100 (MEDIUM risk). Our security analysis detected 121 findings. Review the detailed security assessment below to understand the specific risks before installation.

What are the security risks of Flat UI?

Based on our automated security analysis, Flat UI presents medium 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 "Flat UI" on VS Code Marketplace Safe to Install?

Name: Flat UI
Availability: InStock
Rating: 4.9285712242126465 (28 reviews)
Author: Kaiyuan Liu

Kaiyuan Liu · vscode · v1.4.9

A flat style theme for vscode

Risk Assessment

Analyzed

52.95

out of 100

MEDIUM

121 security findings detected across all analyzers

VS Code extension analyzed via package manifest and static code analysis

Severity Breakdown

Critical

High

104

Medium

Low

Info

Finding Categories

103

IoC Indicators

YARA Rules Matched

8 rules(17 hits)

postinstall file manipulation postinstall network communication postinstall registry modification postinstall obfuscation postinstall system command postinstall file download credential env files postinstall crypto operations

About This Extension

A flat style theme for vscode

Detailed Findings

17 total

YARA Rule Matches

8 rules

Indicators of Compromise

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

URLs

IP Addresses

Domains

Strings

103

All Indicators · 103

URL

detected URL: https://github.com/lkytal/vscode-theme-flatui/issues

XIOC detected URL: https://github.com/lkytal/vscode-theme-flatui/issues

extracted_from_files

Domain

detected Domain: i.si

XIOC detected Domain: i.si

extracted_from_files

detected IP: ::

XIOC detected IP: ::

extracted_from_files

URL

detected URL: https://github.com/aziz/tmTheme-Editor

XIOC detected URL: https://github.com/aziz/tmTheme-Editor

extracted_from_files

URL

detected URL: http://schemas.microsoft.com/developer/vsx-schema/2011

XIOC detected URL: http://schemas.microsoft.com/developer/vsx-schema/2011

extracted_from_files

URL

detected URL: http://schemas.microsoft.com/developer/vsx-schema-design/2011

XIOC detected URL: http://schemas.microsoft.com/developer/vsx-schema-design/2011

extracted_from_files

URL

detected URL: https://lkytal.github.io/vscode-theme-flatui

XIOC detected URL: https://lkytal.github.io/vscode-theme-flatui

extracted_from_files

Hash

detected MD5 Hash: 6320ab7ce1cfe15252a2eb05c44a9d1e

XIOC detected MD5 Hash: 6320ab7ce1cfe15252a2eb05c44a9d1e

extracted_from_files

URL

detected URL: https://api.github.com/com/search/repositores',

XIOC detected URL: https://api.github.com/com/search/repositores',

extracted_from_files

URL

detected URL: http://vsmarketplacebadge.apphb.com/version/akamud.vscode-theme-onedark.svg)](https://marketplace.visualstudio.com/items/akamud.vscode-theme-onedark)

XIOC detected URL: http://vsmarketplacebadge.apphb.com/version/akamud.vscode-theme-onedark.svg)](https://marketplace.visualstudio.com/items/akamud.vscode-theme-onedark)

extracted_from_files

URL

detected URL: http://vsmarketplacebadge.apphb.com/installs/akamud.vscode-theme-onedark.svg)](https://marketplace.visualstudio.com/items/akamud.vscode-theme-onedark)

XIOC detected URL: http://vsmarketplacebadge.apphb.com/installs/akamud.vscode-theme-onedark.svg)](https://marketplace.visualstudio.com/items/akamud.vscode-theme-onedark)

extracted_from_files

URL

detected URL: http://vsmarketplacebadge.apphb.com/rating-short/akamud.vscode-theme-onedark.svg)](https://marketplace.visualstudio.com/items/akamud.vscode-theme-onedark)

XIOC detected URL: http://vsmarketplacebadge.apphb.com/rating-short/akamud.vscode-theme-onedark.svg)](https://marketplace.visualstudio.com/items/akamud.vscode-theme-onedark)

extracted_from_files

URL

detected URL: https://github.com/atom/one-dark-syntax)

XIOC detected URL: https://github.com/atom/one-dark-syntax)

extracted_from_files

URL

detected URL: http://www.apple.com/DTDs/PropertyList-1.0.dtd

XIOC detected URL: http://www.apple.com/DTDs/PropertyList-1.0.dtd

extracted_from_files

URL

detected URL: http://tmtheme-editor.herokuapp.com

XIOC detected URL: http://tmtheme-editor.herokuapp.com

extracted_from_files

URL

detected URL: https://vsmarketplacebadge.apphb.com/installs/lkytal.FlatUI.svg?style=flat-square

XIOC detected URL: https://vsmarketplacebadge.apphb.com/installs/lkytal.FlatUI.svg?style=flat-square

extracted_from_files

URL

detected URL: https://creativecommons.org/licenses/by-sa/4.0

XIOC detected URL: https://creativecommons.org/licenses/by-sa/4.0

extracted_from_files

URL

detected URL: https://img.shields.io/badge/License-CC_BY--SA_4.0-5E81AC.png?style=flat-square

XIOC detected URL: https://img.shields.io/badge/License-CC_BY--SA_4.0-5E81AC.png?style=flat-square

extracted_from_files

URL

detected URL: https://beerpay.io/lkytal/vscode-theme-flatui/badge.svg?style=beer-square)](https://beerpay.io/lkytal/vscode-theme-flatui)

XIOC detected URL: https://beerpay.io/lkytal/vscode-theme-flatui/badge.svg?style=beer-square)](https://beerpay.io/lkytal/vscode-theme-flatui)

extracted_from_files

URL

detected URL: https://beerpay.io/lkytal/vscode-theme-flatui/make-wish.svg?style=flat-square)](https://beerpay.io/lkytal/vscode-theme-flatui?focus=wish)

XIOC detected URL: https://beerpay.io/lkytal/vscode-theme-flatui/make-wish.svg?style=flat-square)](https://beerpay.io/lkytal/vscode-theme-flatui?focus=wish)

extracted_from_files

URL

detected URL: http://www.qk365.com/list/p

XIOC detected URL: http://www.qk365.com/list/p

extracted_from_files

URL

detected URL: http://html5shiv.googlecode.com/svn/trunk/html5.js

XIOC detected URL: http://html5shiv.googlecode.com/svn/trunk/html5.js

extracted_from_files

URL

detected URL: https://creativecommons.org/licenses/by/3.0/

XIOC detected URL: https://creativecommons.org/licenses/by/3.0/

extracted_from_files

URL

detected URL: https://img.shields.io/badge/Donate-_%241_-brightgreen.svg?style=flat-square&longCache=true)](https://beerpay.io/lkytal/vscode-theme-flatui)

XIOC detected URL: https://img.shields.io/badge/Donate-_%241_-brightgreen.svg?style=flat-square&longCache=true)](https://beerpay.io/lkytal/vscode-theme-flatui)

extracted_from_files

URL

detected URL: https://github.com/lkytal/vscode-theme-flatui.git

XIOC detected URL: https://github.com/lkytal/vscode-theme-flatui.git

extracted_from_files

Domain

detected Domain: ɡ.st

XIOC detected Domain: ɡ.st

extracted_from_files

URL

detected URL: https://marketplace.visualstudio.com/items?itemName=lkytal.FlatUI

XIOC detected URL: https://marketplace.visualstudio.com/items?itemName=lkytal.FlatUI

extracted_from_files

URL

detected URL: https://vsmarketplacebadge.apphb.com/version/lkytal.FlatUI.svg?style=flat-square

XIOC detected URL: https://vsmarketplacebadge.apphb.com/version/lkytal.FlatUI.svg?style=flat-square

extracted_from_files

URL

detected URL: https://marketplace.visualstudio.com/items?itemName=lkytal.coffeelinter)

XIOC detected URL: https://marketplace.visualstudio.com/items?itemName=lkytal.coffeelinter)

extracted_from_files

URL

detected URL: https://marketplace.visualstudio.com/items?itemName=lkytal.translatorplus)

XIOC detected URL: https://marketplace.visualstudio.com/items?itemName=lkytal.translatorplus)

extracted_from_files

URL

detected URL: https://marketplace.visualstudio.com/items?itemName=gerane.Theme-Flat)

XIOC detected URL: https://marketplace.visualstudio.com/items?itemName=gerane.Theme-Flat)

extracted_from_files

URL

detected URL: https://github.com/Binaryify/OneDark-Pro)

XIOC detected URL: https://github.com/Binaryify/OneDark-Pro)

extracted_from_files

URL

detected URL: https://github.com/sbovyrin/clean-ui-color-theme)

XIOC detected URL: https://github.com/sbovyrin/clean-ui-color-theme)

extracted_from_files

URL

detected URL: https://www.flaticon.com/authors/vectors-market

XIOC detected URL: https://www.flaticon.com/authors/vectors-market

extracted_from_files

URL

detected URL: https://www.flaticon.com

XIOC detected URL: https://www.flaticon.com

extracted_from_files

URL

detected URL: https://github.com/lkytal/vscode-theme-flatui/raw/master/images/preview.png)

XIOC detected URL: https://github.com/lkytal/vscode-theme-flatui/raw/master/images/preview.png)

extracted_from_files

URL

detected URL: https://github.com/lkytal/vscode-theme-flatui/raw/master/images/preview_dark.png)

XIOC detected URL: https://github.com/lkytal/vscode-theme-flatui/raw/master/images/preview_dark.png)

extracted_from_files

URL

detected URL: https://github.com/lkytal/vscode-theme-flatui/raw/master/images/overview.png)

XIOC detected URL: https://github.com/lkytal/vscode-theme-flatui/raw/master/images/overview.png)

extracted_from_files

URL

detected URL: https://github.com/lkytal/vscode-theme-flatui/raw/master/images/overview_i.png)

XIOC detected URL: https://github.com/lkytal/vscode-theme-flatui/raw/master/images/overview_i.png)

extracted_from_files

URL

detected URL: https://github.com/lkytal/vscode-theme-flatui/raw/master/images/overview_dark.png)

XIOC detected URL: https://github.com/lkytal/vscode-theme-flatui/raw/master/images/overview_dark.png)

extracted_from_files

URL

detected URL: https://marketplace.visualstudio.com/items?itemName=lkytal.quicktask)

XIOC detected URL: https://marketplace.visualstudio.com/items?itemName=lkytal.quicktask)

extracted_from_files

URL

detected URL: https://marketplace.visualstudio.com/items?itemName=lkytal.pomodoro)

XIOC detected URL: https://marketplace.visualstudio.com/items?itemName=lkytal.pomodoro)

extracted_from_files

Other

detected Email: [email protected]

XIOC detected Email: [email protected]

extracted_from_files

URL

detected URL: http://schemas.openxmlformats.org/package/2006/content-types

XIOC detected URL: http://schemas.openxmlformats.org/package/2006/content-types

extracted_from_files

URL

detected URL: http://ctags.sourceforge.net

XIOC detected URL: http://ctags.sourceforge.net

extracted_from_files

URL

detected URL: https://vsmarketplacebadge.apphb.com/version/lkytal.FlatUI.svg?style=flat-square)](https://marketplace.visualstudio.com/items?itemName=lkytal.FlatUI)

XIOC detected URL: https://vsmarketplacebadge.apphb.com/version/lkytal.FlatUI.svg?style=flat-square)](https://marketplace.visualstudio.com/items?itemName=lkytal.FlatUI)

extracted_from_files

URL

detected URL: https://vsmarketplacebadge.apphb.com/installs/lkytal.FlatUI.svg?style=flat-square)](https://marketplace.visualstudio.com/items?itemName=lkytal.FlatUI)

XIOC detected URL: https://vsmarketplacebadge.apphb.com/installs/lkytal.FlatUI.svg?style=flat-square)](https://marketplace.visualstudio.com/items?itemName=lkytal.FlatUI)

extracted_from_files

URL

detected URL: https://img.shields.io/badge/License-CC_BY--SA_4.0-brightgreen.svg?style=flat-square&longCache=true)](https://creativecommons.org/licenses/by-sa/4.0)

XIOC detected URL: https://img.shields.io/badge/License-CC_BY--SA_4.0-brightgreen.svg?style=flat-square&longCache=true)](https://creativecommons.org/licenses/by-sa/4.0)

extracted_from_files

URL

detected URL: https://creativecommons.org/licenses/by-nc-sa/4.0/

XIOC detected URL: https://creativecommons.org/licenses/by-nc-sa/4.0/

extracted_from_files

Domain

detected Domain: variable.other.property

XIOC detected Domain: variable.other.property

extracted_from_files

Domain

detected Domain: support.variable.property

XIOC detected Domain: support.variable.property

extracted_from_files

Domain

detected Domain: markup.underline.link

XIOC detected Domain: markup.underline.link

extracted_from_files

Domain

detected Domain: schemas.microsoft.com

XIOC detected Domain: schemas.microsoft.com

extracted_from_files

Domain

detected Domain: microsoft.visualstudio.services.links.support

XIOC detected Domain: microsoft.visualstudio.services.links.support

extracted_from_files

Domain

detected Domain: readme.md

XIOC detected Domain: readme.md

extracted_from_files

Other

detected Email: [email protected]

XIOC detected Email: [email protected]

extracted_from_files

Domain

detected Domain: client.select

XIOC detected Domain: client.select

extracted_from_files

Domain

detected Domain: www.apple.com

XIOC detected Domain: www.apple.com

extracted_from_files

Domain

detected Domain: attribute-name.id

XIOC detected Domain: attribute-name.id

extracted_from_files

Domain

detected Domain: support.type.property

XIOC detected Domain: support.type.property

extracted_from_files

Domain

detected Domain: support.constant.property

XIOC detected Domain: support.constant.property

extracted_from_files

Domain

detected Domain: entity.other.attribute-name.id

XIOC detected Domain: entity.other.attribute-name.id

extracted_from_files

Domain

detected Domain: tmtheme-editor.herokuapp.com

XIOC detected Domain: tmtheme-editor.herokuapp.com

extracted_from_files

Domain

detected Domain: y.call

XIOC detected Domain: y.call

extracted_from_files

Domain

detected Domain: t.call

XIOC detected Domain: t.call

extracted_from_files

Domain

detected Domain: m.call

XIOC detected Domain: m.call

extracted_from_files

Domain

detected Domain: audience.id

XIOC detected Domain: audience.id

extracted_from_files

Domain

detected Domain: audience.name

XIOC detected Domain: audience.name

extracted_from_files

Domain

detected Domain: notifier.new

XIOC detected Domain: notifier.new

extracted_from_files

Domain

detected Domain: notifier.ping

XIOC detected Domain: notifier.ping

extracted_from_files

Domain

detected Domain: reflect.new

XIOC detected Domain: reflect.new

extracted_from_files

Domain

detected Domain: html5shiv.googlecode.com

XIOC detected Domain: html5shiv.googlecode.com

extracted_from_files

Domain

detected Domain: x.call

XIOC detected Domain: x.call

extracted_from_files

Domain

detected Domain: api.github.com

XIOC detected Domain: api.github.com

extracted_from_files

Domain

detected Domain: chrome.history.search

XIOC detected Domain: chrome.history.search

extracted_from_files

Domain

detected Domain: bar.com

XIOC detected Domain: bar.com

extracted_from_files

Domain

detected Domain: this.props.bar

XIOC detected Domain: this.props.bar

extracted_from_files

Domain

detected Domain: schemas.openxmlformats.org

XIOC detected Domain: schemas.openxmlformats.org

extracted_from_files

Domain

detected Domain: autotest.net

XIOC detected Domain: autotest.net

extracted_from_files

Domain

detected Domain: i.uy

XIOC detected Domain: i.uy

extracted_from_files

Domain

detected Domain: t.mx

XIOC detected Domain: t.mx

extracted_from_files

Domain

detected Domain: f.mk

XIOC detected Domain: f.mk

extracted_from_files

Domain

detected Domain: lkytal.github.io

XIOC detected Domain: lkytal.github.io

extracted_from_files

Domain

detected Domain: www.qk365.com

XIOC detected Domain: www.qk365.com

extracted_from_files

Domain

detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

Domain

detected Domain: marketplace.visualstudio.com

XIOC detected Domain: marketplace.visualstudio.com

extracted_from_files

Domain

detected Domain: www.flaticon.com

XIOC detected Domain: www.flaticon.com

extracted_from_files

Domain

detected Domain: beerpay.io

XIOC detected Domain: beerpay.io

extracted_from_files

Domain

detected Domain: www.inkscape.org

XIOC detected Domain: www.inkscape.org

extracted_from_files

Domain

detected Domain: 7.mg

XIOC detected Domain: 7.mg

extracted_from_files

Domain

detected Domain: x.co

XIOC detected Domain: x.co

extracted_from_files

Domain

detected Domain: ctags.sourceforge.net

XIOC detected Domain: ctags.sourceforge.net

extracted_from_files

Domain

detected Domain: users.sourceforge.net

XIOC detected Domain: users.sourceforge.net

extracted_from_files

Domain

detected Domain: sample.py

XIOC detected Domain: sample.py

extracted_from_files

Domain

detected Domain: f.read

XIOC detected Domain: f.read

extracted_from_files

Domain

detected Domain: creativecommons.org

XIOC detected Domain: creativecommons.org

extracted_from_files

Domain

detected Domain: vsmarketplacebadge.apphb.com

XIOC detected Domain: vsmarketplacebadge.apphb.com

extracted_from_files

Domain

detected Domain: img.shields.io

XIOC detected Domain: img.shields.io

extracted_from_files

detected IP: ::4

XIOC detected IP: ::4

extracted_from_files

detected IP: e::

XIOC detected IP: e::

extracted_from_files

detected IP: ::a

XIOC detected IP: ::a

extracted_from_files

detected IP: ::ba

XIOC detected IP: ::ba

extracted_from_files

Domain

detected Domain: rdl.data

XIOC detected Domain: rdl.data

extracted_from_files

Security Analysis Summary

Security Analysis Overview

Flat UI is a Visual Studio Code Marketplace extension published by Kaiyuan Liu. Version 1.4.9 has been analyzed by the Risky Plugins security platform, receiving a risk score of 52.95/100 (MEDIUM risk) based on 121 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

Medium: 104 finding(s)
Low: 17 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

Flat UI is published by Kaiyuan Liu on the Visual Studio Code Marketplace marketplace. The extension has approximately 264K 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.