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Prototype Pollution in klona

High severity GitHub Reviewed Published Sep 4, 2020 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

npm klona (npm)

Affected versions

< 1.1.1

Patched versions

1.1.1

Description

Versions of klona prior to 1.1.1 are vulnerable to prototype pollution. The package does not restrict the modification of an Object's prototype when cloning objects, which may allow an attacker to add or modify an existing property that will exist on all objects.

Recommendation

Upgrade to version 1.1.1 or later.

References

Reviewed Aug 31, 2020
Published to the GitHub Advisory Database Sep 4, 2020
Last updated Jan 9, 2023

Severity

High

Weaknesses

CVE ID

No known CVE

GHSA ID

GHSA-4r97-78gf-q24v

Source code

No known source code
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