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CVE-2026-48590

Element and Attribute Names Injected Verbatim into XML Output in xml_builder PUBLISHED

Description (CNA)

XML Injection vulnerability in joshnuss xml_builder (XmlBuilder module) allows Content Spoofing, XML Injection. This vulnerability is associated with program files lib/xml_builder.ex and program routines XmlBuilder.generate/1, XmlBuilder.generate/2, XmlBuilder.element/1, XmlBuilder.element/2, XmlBuilder.element/3. Element names, attribute names, and doctype identifiers are interpolated verbatim into the serialized XML output without validation or escaping of structural characters (<, >, ", ', &). An attacker who can influence a name argument (for example, an element name derived from a JSON object key or an HTTP form field name) can inject arbitrary XML markup including extra elements, comments, and event-handler attributes into the output document. This issue affects xml_builder: from 0.0.1 before 2.4.1.

Affected (CNA)

Vendor / productVersions
joshnuss / xml_builderaffected 0.0.1 before 2.4.1
joshnuss / xml_builderaffected 9fb49131ad3ee146a4c9db9bc175bdffe32e30a0 before d5c0aec32a8eecbb440fb9bbb0f59d4d188d5859

CWE

CWE-91

References

ADP enrichment

CISA-ADP

No English description supplied.