CVE-2026-34601 xmldom: XML injection via unsafe CDATA serialization allows attacker-controlled markup insertion

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. In xmldom versions 0.6.0 and prior and @xmldom/xmldom prior to versions 0.8.12 and 0.9.9, xmldom/xmldom allows attacker-controlled strings containing the CDATA terminator to be inserted into a...

XML Injection

Overview @xmldom/xmldom is a javascript ponyfill to provide the following APIs that are present in modern browsers to other runtimes. Since version 0.7.0 this package is published to npm as @xmldom/xmldom and no longer as xmldom Affected versions of this package are vulnerable to XML Injection vi...

XML Injection

Overview org.webjars.npm:xmldom is an A pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Affected versions of this package are vulnerable to XML Injection via the XMLSerializer function. An attacker can manipulate the structure and integrity of generated...

XML Injection

Overview xmldom is an A pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Affected versions of this package are vulnerable to XML Injection via the XMLSerializer function. An attacker can manipulate the structure and integrity of generated XML documents b...

PT-2026-29497

Name of the Vulnerable Software and Affected Versions xmldom versions 0.6.0 and prior, and @xmldom/xmldom prior to versions 0.8.12 and 0.9.9 Description The xmldom library contains a flaw where attacker-controlled strings including the CDATA terminator can be inserted into a CDATASection node...