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CVE-2026-39823 Detail

Description

CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a <meta> tag's <content> attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the <content> attribute, the escaper would fail to similarly escape it, leading to XSS.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://go.dev/cl/769920 Go Project
https://go.dev/issue/78913 Go Project
https://groups.google.com/g/golang-announce/c/qcCIEXso47M Go Project
https://pkg.go.dev/vuln/GO-2026-4982 Go Project

Weakness Enumeration

CWE-ID CWE Name Source

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-39823
NVD Published Date:
05/07/2026
NVD Last Modified:
05/08/2026
Source:
Go Project