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CVE-2026-0540

MEDIUM

6.1

Beschreibung

DOMPurify 3.1.3 through 3.3.1 and 2.5.3 through 2.5.8, fixed in commit 2726c74, contain a cross-site scripting vulnerability that allows attackers to bypass attribute sanitization by exploiting five missing rawtext elements (noscript, xmp, noembed, noframes, iframe) in the SAFE_FOR_XML regex. Attackers can include payloads like </noscript><img src=x onerror=alert(1)> in attribute values to execute JavaScript when sanitized output is placed inside these unprotected rawtext contexts.

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

Veroffentlicht3/3/2026

Zuletzt geandert3/25/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

cure53:dompurify

Schwachen (CWE)

CWE-79

Referenzen

https://fluidattacks.com/advisories/daft(help@fluidattacks.com)

https://github.com/cure53/DOMPurify(help@fluidattacks.com)

https://github.com/cure53/DOMPurify/commit/302b51de22535cc90235472c52e3401bedd46f80(help@fluidattacks.com)

https://github.com/cure53/DOMPurify/releases/tag/3.3.2(help@fluidattacks.com)

https://www.vulncheck.com/advisories/dompurify-xss-via-missing-rawtext-elements-in-safe-for-xml(help@fluidattacks.com)

IOC Korrelationen

Keine Korrelationen erfasst

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