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.
History

Fri, 29 May 2026 15:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1021
CPEs cpe:2.3:a:golang:net:*:*:*:*:*:go:*:*

Mon, 25 May 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Golang
Golang net
Vendors & Products Golang
Golang net

Fri, 22 May 2026 20:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Fri, 22 May 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 22 May 2026 17:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Fri, 22 May 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title Invoking incorrect handling of character references in DOCTYPE nodes in golang.org/x/net/html
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Go

Published: 2026-05-22T15:01:21.975Z

Updated: 2026-05-22T17:46:20.366Z

Reserved: 2026-02-05T01:35:43.738Z

Link: CVE-2026-25681

cve-icon Vulnrichment

Updated: 2026-05-22T17:46:16.872Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-22T16:16:19.863

Modified: 2026-05-29T15:30:15.417

Link: CVE-2026-25681

cve-icon Redhat

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