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fast-xml-builder (npm)

Build XML from JSON

Advisories
4
Latest version
1.3.1
Released Aug 14, 2026
License
MIT
OpenSSF Scorecard
—

How to fix

Upgrading to 1.1.7 or later clears every advisory below that has a fix.

Upgrade commands
npm
npm install fast-xml-builder@1.3.1
yarn
yarn add fast-xml-builder@1.3.1
pnpm
pnpm add fast-xml-builder@1.3.1

Known vulnerabilities

AdvisorySeverityAffectedFixed in
GHSA-5wm8-gmm8-39j9
fast-xml-builder allows attribute values with unwanted quotes to bypass malicious or unwanted attributes
High
EPSS 0.24%
< 1.1.7
1.1.7
GHSA-5wm8-gmm8-39j9
fast-xml-builder allows attribute values with unwanted quotes to bypass malicious or unwanted attributes
High
EPSS 0.24%
<= 1.1.6
No fix yet
GHSA-45c6-75p6-83cc
fast-xml-builder Comment Value regex can be bypassed
Medium
EPSS 0.19%
>= 1.1.5, < 1.1.6
1.1.6
GHSA-45c6-75p6-83cc
fast-xml-builder Comment Value regex can be bypassed
Medium
EPSS 0.19%
No fix yet

Source: git+https://github.com/NaturalIntelligence/fast-xml-builder.git

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