CVE-2026-41672

HIGH

xmldom: XML node injection through unvalidated comment serialization

Title source: cna
STIX 2.1

Description

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, the package allows attacker-controlled comment content to be serialized into XML without validating or neutralizing comment-breaking sequences. As a result, an attacker can terminate the comment early and inject arbitrary XML nodes into the serialized output. This issue has been patched in versions @xmldom/xmldom versions 0.9.10 and 0.8.13.

References (6)

Core 6

Scores

CVSS v4 8.7
EPSS 0.0007
EPSS Percentile 22.3%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-91
Status published
Products (6)
npm/xmldom 0 - 0.6.0npm
xmldom/xmldom 0 - 0.8.13npm
xmldom/xmldom 0.9.0 - 0.9.10npm
xmldom/xmldom @xmldom/xmldom < 0.8.13
xmldom/xmldom @xmldom/xmldom >= 0.9.0, < 0.9.10
xmldom/xmldom xmldom <= 0.6.0
Published May 07, 2026
Tracked Since May 07, 2026