CVE-2026-37503

MEDIUM

6.9

Descricao

Cross-Site Scripting (XSS) in V2Board thru 1.7.4. The custom_html field in theme configuration is rendered using Blade unescaped output in public/theme/v2board/dashboard.blade.php. An admin can inject arbitrary JavaScript via the saveThemeConfig API. All site visitors execute the payload, enabling cookie theft, session hijacking, or phishing.

Detalhes CVE

Pontuacao CVSS v3.16.9

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosHIGH

Interacao do usuarioREQUIRED

Publicado5/1/2026

Ultima modificacao5/1/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-79

Referencias

https://gist.github.com/sgInnora/1330e1a82caa79906eec55eeff2c99b9(cve@mitre.org)

https://github.com/v2board/v2board(cve@mitre.org)

Correlacoes IOC

Sem correlacoes registradas

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