# array.isarray

> ES5 Shim

The `isArray()` method determines whether the passed value is an Array.

Source: [ps-scripting-es5shim](https://github.com/EugenTepin/ps-scripting-es5shim/blob/master/lib/Array/isArray.js)

## Test

You can test the code against a range of [targets](https://github.com/nbqx/fakestk/blob/master/resources/versions.json):

    npm run test target-1 target-2

We keep [a log of test results](./test/results_log.md)


The `isArray()` method determines whether the passed value is an Array. 

Supply Chain Attack on Axios Pulls Malicious Dependency from npm

@extendscript/aes.patch.array.isarray

The `isArray()` method determines whether the passed value is an Array.

fabian.moron.zirfas

extendscripter

vogelino

fabianmoronzirfas

aes.patch.array.isarray

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Ambiguous License Classifier

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Bad text encoding

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Bad semver

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Bad dependency semver

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Bidirectional unicode control characters

This package has multiple bin scripts with the same name. This can cause non-deterministic behavior when installing or could be a sign of a supply chain attack.

What is bin script confusion?

Bin script confusion

This Chrome extension includes content scripts that execute JavaScript on specified websites.

What are Chrome extension content scripts?

Chrome: Content Script

This Chrome extension requests host permissions to access specific websites or domains.

What are Chrome extension host permissions?

Chrome: Host Permission

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Chrome: Permission

This Chrome extension requests wildcard host permissions that grant broad access to websites.

What are Chrome extension wildcard host permissions?

Chrome: Wildcard Host Permission

Semantic versions published out of chronological order.

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Chronological version anomaly

Project maintainer's SSH key has been compromised.

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Compromised SSH key

What do I need to know about license files?

Copyleft License

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Title

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High CVE

Uses debug, reflection and dynamic code execution features.

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Debug access

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Deprecated

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Possible typosquat attack

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Dynamic require

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Empty package

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Name

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Filesystem access

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Wildcard dependency

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An input argument to this GitHub Action is being exported as an environment variable. If a user of this action passes untrusted input, it could be used in an insecure manner by subsequent workflow steps.

What are GitHub Actions taint flows?

GitHub Actions: Input argument exported as environment variable

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Git dependency

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AI-detected potential malware

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AI-detected potential security risk

Contains native code (e.g., compiled binaries or shared libraries). Including native code can obscure malicious behavior.

Why is native code a concern?

Native code

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What are high entropy strings?

High entropy strings

Contains unicode homoglyphs which can be used in supply chain confusion attacks.

What are unicode homoglyphs?

Unicode homoglyphs

Contains a dependency which resolves to a remote HTTP URL which could be used to inject untrusted code and reduce overall package reliability.

What are http dependencies?

HTTP dependency

Install scripts are run when the package is installed or built. Malicious packages often use scripts that run automatically to execute payloads or fetch additional code.

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Install scripts

Package has an invalid manifest file and can cause installation problems if you try to use it.

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Invalid manifest file

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What are invisible characters?

Invisible chars

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License change

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License Policy Violation

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Long strings

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Major refactor

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Known malware

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Manifest confusion

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Modified license exception

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@extendscript/aes.patch.array.isarray

array.isarray

Test

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