GO-2026-4982

Bypass of meta content URL escaping causes XSS in html/template

En bref

Publiée
Mise à jour
CVE
CVE-2026-39823
Alias
BIT-golang-2026-39823

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.

Paquets affectés

PaquetVersions
Go · stdlibintroduced 0, fixed 1.25.10, introduced 1.26.0-0, fixed 1.26.3

Références

Sources

SourceLicence
OSV.devCC-BY 4.0 — Go Vulnerability Database