VULNERABILITY INTELLIGENCE
CVE-2026-42506
CVSS score6.1 MEDIUM
EPSS probability0.24%
CISA KEVNot currently listed
Published2026-05-22
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
Weakness classification
- nvd@nist.gov: CWE-79
Primary references
- security@golang.org — Issue Tracking
- security@golang.org — Issue Tracking
- security@golang.org — Mailing List
- security@golang.org — Vendor Advisory