cvedb.io
CVE-2026-37503
MEDIUM · CVSS 6.9
EPSS exploitation probability: 0%
Published 2026-05-01T16:16:30.490 · Last modified 2026-06-17T10:41:33.217

Summary

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.

Affected products

v2board — v2board

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.