CVE-2026-37503

MEDIUM

6.9

Description

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.

Details CVE

Score CVSS v3.16.9

SeveriteMEDIUM

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurREQUIRED

Publie5/1/2026

Derniere modification5/1/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-79

References

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

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

Correlations IOC

Aucune correlation enregistree

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