postcss-base64, a [PostCSS](https://github.com/postcss/postcss/) plugin, replaces **inline** SVG images in url() statements with base64 encoded strings.

[GitHub](https://github.com/jelmerdemaat/postcss-base64) | [NPM](https://www.npmjs.com/package/postcss-base64) | [@jelmerdemaat](https://twitter.com/jelmerdemaat)

*Early beta stage.*

## Todo
* Support file sources (in contrast to inline code)
* Support other file types


Replace *inline* SVG images in url() statements with base64 encoded strings. 

postcss-base64

Replace values in url() statements with base64 encoded strings.

jelmer

Replace *inline* SVG images in url() statements with base64 encoded strings.

(Experimental) An ambiguous license classifier was found.

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Ambiguous License Classifier

Source files are encoded using a non-standard text encoding.

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Package version is not a valid semantic version (semver).

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Bad semver

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Source files contain bidirectional unicode control characters. This could indicate a Trojan source supply chain attack. See: trojansource.codes for more information.

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Bidirectional unicode control characters

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Bin script confusion

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

(Experimental) Copyleft license information was found.

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Contains a Critical Common Vulnerability and Exposure (CVE).

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Title

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Contains a high severity Common Vulnerability and Exposure (CVE).

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High CVE

Uses debug, reflection and dynamic code execution features.

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Debug access

The maintainer of the package marked it as deprecated. This could indicate that a single version should not be used, or that the package is no longer maintained and any new vulnerabilities will not be fixed.

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Deprecated

(Experimental) Contains a known deprecated SPDX license exception.

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Deprecated SPDX exception

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Deprecated license

Package name is similar to other popular packages and may not be the package you want.

What is a typosquat?

Possible typosquat attack

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Dynamic require

Package does not contain any code. It may be removed, is name squatting, or the result of a faulty package publish.

What is an empty package?

Empty package

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

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Environment variable access

(Experimental) Something was found which is explicitly marked as unlicensed.

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Name

Extraneous dependency

Contains a dependency which resolves to a file. This can obfuscate analysis and serves no useful purpose.

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What is filesystem access?

Filesystem access

Package has a dependency with a floating version range. This can cause issues if the dependency publishes a new major version.

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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.

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HTTP dependency

Install scripts are run when the package is installed. The majority of malware in npm is hidden in install scripts.

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Install scripts

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Invalid manifest file

Source files contain invisible characters. This could indicate source obfuscation or a supply chain attack.

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Invisible chars

(Experimental) Package license has recently changed.

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License change

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This package is not allowed per your license policy. Review the package's license to ensure compliance.

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License Policy Violation

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Long strings

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

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Major refactor

This package is malware. We have asked the package registry to remove it.

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Known malware

This package has inconsistent metadata. This could be malicious or caused by an error when publishing the package.

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Manifest confusion

Contains a medium severity Common Vulnerability and Exposure (CVE).

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Medium CVE

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Low CVE

This package contains minified code. This may be harmless in some cases where minified code is included in packaged libraries, however packages on npm should not minify code.

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Minified code

(Experimental) A package's licensing information has fine-grained problems.

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The package was published by an npm account that no longer exists.

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Non-existent author

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Missing dependency

(Experimental) Package does not have a license and consumption legal status is unknown.

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Modified license exception

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Modified license

What is network access?

Network access

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

What is new author?

New author

Package does not specify a list of contributors or an author in package.json.

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Package does not have a linked bug tracker in package.json.

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No bug tracker

(Experimental) License information could not be found.

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Package does not have any tests. This is a strong signal of a poorly maintained or low quality package.

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Package is not semver >=1. This means it is not stable and does not support ^ ranges.

postcss-base64

Todo

Keywords

Related posts

postcss-base64

Todo

Keywords

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