CVE-2026-34601 — XML Injection (aka Blind XPath Injection) in Node-xmldom
Severity
7.5HIGHNVD
EPSS
0.1%
top 83.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 2
Latest updateApr 3
Description
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 CDATASection node. During serialization, XMLSerializer emitted the CDATA content verbatim without rejecting or safely splitting the terminator. As a result, data intended to remain text-only be…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6
Affected Packages5 packages
🔴Vulnerability Details
4OSV
▶
OSV▶
CVE-2026-34601: xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module↗2026-04-02
GHSA▶
xmldom: XML injection via unsafe CDATA serialization allows attacker-controlled markup insertion↗2026-04-01
OSV▶
xmldom: XML injection via unsafe CDATA serialization allows attacker-controlled markup insertion↗2026-04-01