NPM: xmldom: Element name injection via createElement() bypasses requireWellFormed

NPM: xmldom: Element name injection via createElement bypasses requireWellFormed vulnerability discovered by ? in WordPress Npm xmldom versions = 0.6.0...

GHSA-W2RR-34G9-RVRJ xmldom: Element name injection via createElement() bypasses requireWellFormed

Summary Document.createElement in @xmldom/xmldom accepts arbitrary strings as the tagName parameter with zero validation. The serializer emits the tag name verbatim into XML/HTML output. Critically, the requireWellFormed: true serializer option — the recommended mitigation from CVE-2026-41672,...

CVE-2026-83617 xmldom: requireWellFormed element/attribute name validation is bypassable via an embedded line terminator

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. From 0.9.11 until 0.9.12, the requireWellFormed: true element and attribute name checks use the anchored QNameexact expression produced by reg in lib/grammar.js, which inherits the multiline...

CVE-2026-83607

xmldom , a pure JavaScript XML DOM module, is affected by an element name injection vulnerability. Prior to @xmldom/xmldom 0.8.14 and 0.9.11 , and in xmldom 0.6.0 and earlier, Document.createElement(tagName) stores an unvalidated element name that XMLSerializer.serializeToString() emits verbatim....

CVE-2026-83607 xmldom: Element name injection via createElement() bypasses requireWellFormed

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.14 and 0.9.11, and in xmldom version 0.6.0 and earlier, Document.createElementtagName stores an unvalidated element name and XMLSerializer.serializeToString...

PT-2026-84281

Name of the Vulnerable Software and Affected Versions xmldom versions 0.9.11 through 0.9.11 Description The requireWellFormed: true element and attribute name checks use an anchored QName exact expression produced by the reg function in lib/grammar.js that inherits the multiline flag. This allows...