CVE-2026-48590 - Element and Attribute Names Injected Verbatim into XML Output in xml_builder

CVE-2026-48590 - Element and Attribute Names Injected Verbatim into XML Output in xml_builder

https://cvefeed.io/rssfeed/latest.atom / Fri, 08/21/2026 - 13:27
CVE ID :CVE-2026-48590
Published : Aug. 21, 2026, 9:51 a.m. | 10 minutes ago
Description :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.
Severity: 2.1 | LOW
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