Prototype Pollution in fiznool/body-parser-xml
Priority MEDIUM 45CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-915.
Summary
body-parser-xml is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Why it matters now
EPSS 0.01299 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed fiznool/body-parser-xml (fiznool): 2.0.3body-parser-xml (npm): 2.0.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| fiznool | fiznool/body-parser-xml | before 2.0.3 | 2.0.3 | Patch available | CNA |
| — | body-parser-xml (npm) | before 2.0.3 | 2.0.3 | Patch available | GHSA-2ghc-6v89-pw9j |
- fiznool/body-parser-xml Vendorfiznool Affected before 2.0.3 Fixed in 2.0.3 Patch available CNA
- body-parser-xml (npm) Vendor— Affected before 2.0.3 Fixed in 2.0.3 Patch available GHSA-2ghc-6v89-pw9j
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:xml_body_parser_project:xml_body_parser:*:*:*:*:*:node.js:*:* | before 2.0.3 | Vulnerable | Xml Body Parser Project |
- cpe:2.3:a:xml_body_parser_project:xml_body_parser:*:*:*:*:*:node.js:*:* Versions before 2.0.3 Vulnerable ·Xml Body Parser Project
Remediation
- Fix · CNA fiznool/body-parser-xml (fiznool) Fixed in 2.0.3
- Fix · GHSA-2ghc-6v89-pw9j body-parser-xml (npm) Fixed in 2.0.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3666
- 2026-10-03 Alias added: GHSA-2ghc-6v89-pw9j
References
Sources
- CVE-2021-3666 · CVE Program
- CVE-2021-3666 · NVD
- FIRST EPSS
- GHSA-2ghc-6v89-pw9j · GitHub Advisory Database · CC BY 4.0
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