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CVE-2026-0540

MEDIUM

6.1

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.16.1

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado3/3/2026

Ultima modificacao3/25/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

cure53:dompurify

Fraquezas (CWE)

CWE-79

Referencias

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)

Correlacoes IOC

Sem correlacoes registradas

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