Package Health

fast-xml-parser

Validate XML, Parse XML, Build XML without C/C++ based libraries

Latest 5.8.0NPMNPM

89%

Total Score

Maintainer Stability
Maintainer Stability
Assesses the consistency and reliability of package maintainers

100

Dependencies
Dependencies
Evaluates the health and security of package dependencies

95

Maturity
Maturity
Indicates package age, release frequency, and adoption metrics

100

Supply Chain
Supply Chain
Evaluates supply chain security practices and risks

100

Attestations
Attestations
Measures the presence and validity of package attestations and signatures

50

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Vulnerabilities

TitleVersionsSeverity
AIKIDO-2026-10621 Pre-CVE
Found by Aikido Intel before public disclosure or CVE publication.
fast-xml-parser is vulnerable to Denial of Service (DoS) in versions 4.0.0 - 5.7.1.
4.0.0 - 5.7.1
Medium
CVE-2026-41650
fast-xml-parser is vulnerable to XML Injection (aka Blind XPath Injection) in versions 0.0.0 - 5.7.0.
0.0.0 - 5.7.0
Medium
CVE-2026-33349
fast-xml-parser is vulnerable to Improper Validation of Specified Quantity in Input in versions 4.0.0-beta.3 - 4.5.5 and 5.0.0 - 5.5.7.
4.0.0-beta.3 - 4.5.55.0.0 - 5.5.7
Medium
CVE-2026-33036
fast-xml-parser is vulnerable to Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') in versions 5.0.0 - 5.5.6 and 4.0.0-beta.3 - 4.5.5.
4.0.0-beta.3 - 4.5.55.0.0 - 5.5.6
High
CVE-2026-27942
fast-xml-parser is vulnerable to Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in versions 5.0.0 - 5.3.8 and 4.0.0-beta.0 - 4.5.4.
4.0.0-beta.0 - 4.5.45.0.0 - 5.3.8
Low

Package versions

Maintainers

Direct Dependencies

DependencyLast ReleaseScore
strnum
Version ^2.3.0
xml-naming
Version ^0.1.0
fast-xml-builder
Version ^1.2.0
@nodable/entities
Version ^2.1.0
path-expression-matcher
Version ^1.5.0

Weekly Downloads

Info

Last Published
16 days ago
Created
9 years ago
Unpacked Size
1.1 MB