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Prototype Pollution in mixme

High severity GitHub Reviewed Published Sep 16, 2021 in adaltas/node-mixme • Updated Jan 9, 2023

Package

npm mixme (npm)

Affected versions

< 0.5.2

Patched versions

0.5.2

Description

Impact

When copying properties from a source object to a target object, the target object can gain access to certain properties of the source object and modify their content.

Patches

The problem was patch with a more agressive discovery of secured properties to filter out.

References

@wdavidw wdavidw published to adaltas/node-mixme Sep 16, 2021
Reviewed Sep 16, 2021
Published to the GitHub Advisory Database Sep 20, 2021
Last updated Jan 9, 2023

Severity

High

EPSS score

Weaknesses

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. Learn more on MITRE.

CVE ID

No known CVE

GHSA ID

GHSA-84p7-fh9c-6g8h

Source code

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