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CVE-2026-27142

MEDIUM

6.1

Beschreibung

Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actions in the meta content attribute which follow "url=" by setting htmlmetacontenturlescape=0.

CVE Details

CVSS v3.1 Bewertung6.1

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionREQUIRED

Veroffentlicht3/6/2026

Zuletzt geandert3/16/2026

Quellenvd

Honeypot-Sichtungen0

Referenzen

https://go.dev/cl/752081(security@golang.org)

https://go.dev/issue/77954(security@golang.org)

https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk(security@golang.org)

https://pkg.go.dev/vuln/GO-2026-4603(security@golang.org)

IOC Korrelationen

Keine Korrelationen erfasst

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