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Medium severity6.9NVD Advisory· Published May 1, 2026· Updated May 11, 2026

CVE-2026-37503

CVE-2026-37503

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • V2board/V2boardreferences2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: <=1.7.4

Patches

Vulnerability mechanics

References

1

News mentions

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