The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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.createElement(tagName) stores an unvalidated element name and XMLSerializer.serializeToString()     emits that name verbatim. The requireWellFormed: true path did not validate the element qualified name or     synthesized xmlns:PREFIX declaration, so attacker-controlled tag names could inject attributes, elements,     or processing instructions into serialized XML or HTML and could cause cross-site scripting when browser-     consumed. The unchecked values violate the XML QName constraint, and default serialization and creation-     time createElement() behavior remain permissive. This issue is fixed in @xmldom/xmldom versions 0.8.14 and     0.9.11; no fixed version is available for xmldom. (CVE-2026-83607)

Note that Nessus relies on the presence of the package as reported by the vendor.

Detections

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Linux Distros Unpatched Vulnerability : CVE-2026-83607

high Nessus Plugin ID 342363

Version 1.4