npm
fast-xml-parser
10 known vulnerabilities · 0 critical · 2 high
CVE-2023-26920MEDIUM
fast-xml-parser vulnerable to Prototype Pollution through tag or attribute name
Published Jun 13, 2023
Entity Expansion Limits Bypassed When Set to Zero Due to JavaScript Falsy Evaluation in fast-xml-parser
Published Mar 19, 2026
fast-xml-parser has stack overflow in XMLBuilder with preserveOrder
Published Feb 26, 2026
CVE-2023-34104HIGH
fast-xml-parser vulnerable to Regex Injection via Doctype Entities
Published Jun 6, 2023
fast-xml-parser affected by numeric entity expansion bypassing all entity expansion limits (incomplete fix for CVE-2026-26278)
Published Mar 17, 2026
fast-xml-parser has an entity encoding bypass via regex injection in DOCTYPE entity names
Published Feb 20, 2026
fast-xml-parser affected by DoS through entity expansion in DOCTYPE (no expansion limit)
Published Feb 17, 2026
GHSA-gh4j-gqv2-49f6
fast-xml-parser XMLBuilder: XML Comment and CDATA Injection via Unescaped Delimiters
Published Apr 22, 2026
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