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.

INFO

Published Date :

2026-05-01T00:00:00.000Z

Last Modified :

2026-05-01T19:46:08.026Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2026-37503 vulnerability.

Vendors Products
V2board
  • V2board
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-37503.

URL Resource
https://gist.github.com/sgInnora/1330e1a82caa79906eec55eeff2c99b9 cve-icon cve-icon
https://github.com/v2board/v2board cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Complexity
Attack Vector
Availability Impact
Confidentiality Impact
Integrity Impact
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Scope
User Interaction