CVE-2026-83607

high Red Hat
CVSS v3 Base Score
8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Published: September 1, 2026 (5 days ago)
Last Modified: September 1, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in xmldom, a JavaScript module for parsing and serializing XML. This vulnerability allows a remote attacker to inject malicious content, such as attributes or elements, into serialized XML or HTML documents. This occurs because the `Document.createElement()` function does not properly validate element names, and the `XMLSerializer.serializeToString()` function then outputs these unvalidated names directly. When these manipulated documents are processed by a web browser, it can lead to cross-site scripting (XSS), enabling attackers to execute arbitrary scripts in the user's browser.

CWE

CWE-79

Affected Products

Red Hat OpenShift Container Platform 4

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 github.com 🔗 github.com