xmltodict 0.14.2 - XML Injection

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Summary

CVECVE-2025-9375
StatePUBLISHED
AssignerFluid Attacks
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-09-01 17:15:33 UTC
Updated2026-04-20 22:16:22 UTC
DescriptionXML Injection vulnerability in xmltodict allows Input Data Manipulation. This issue affects xmltodict: from 0.14.2 before 0.15.1. NOTE: the scope of this CVE is disputed by the vendor on the grounds that xmltodict.unparse() delegates element-name handling to Python's xml.sax.saxutils.XMLGenerator, and that XMLGenerator should be the component performing validation.

Risk And Classification

Primary CVSS: v4.0 6.9 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.000820000 probability, percentile 0.240570000 (date 2026-04-20)

Problem Types: CWE-91 | CWE-91 CWE-91 XML Injection (aka Blind XPath Injection)

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Xmltodict Xmltodict affected 0.14.2 0.15.1 custom MacOS, Linux, Windows

References

ReferenceSourceLinkTags
github.com/martinblech/xmltodict/blob/v0.15.1/CHANGELOG.md [email protected] github.com
github.com/martinblech/xmltodict/commit/f98c90f071228ed73df997807298e1df... [email protected] github.com
docs.python.org/3/library/xml.sax.utils.html af854a3a-2127-422b-91ae-364da2661108 docs.python.org
fluidattacks.com/advisories/mono [email protected] fluidattacks.com
github.com/martinblech/xmltodict/issues/377 af854a3a-2127-422b-91ae-364da2661108 github.com
docs.python.org/3/library/xml.sax.utils.html af854a3a-2127-422b-91ae-364da2661108 docs.python.org
github.com/martinblech/xmltodict [email protected] github.com
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