CVE intelligence and bounded remediation

CVE-2024-43413 — Xibo is an open source digital signage platform with a web content management system (CMS)

Medium CVSS 4.8

Xibo is an open source digital signage platform with a web content management system (CMS). Prior to version 4.1.0, a cross-site scripting vulnerability in Xibo CMS allows authorized users to execute JavaScript via the DataSet functionality. Users can design a DataSet with a HTML column which contains JavaScript, which is intended functionality. The JavaScript gets executed on the Data Entry page and in any Layouts which reference it. This behavior has been changed in 4.1.0 to show HTML/CSS/JS as code on the Data Entry page. There are no workarounds for this issue.

Severity
Medium
CVSS
4.8 (3.1)
Published
2024-09-03
CISA KEV
Not currently listed
Ecosystem
javascript/npm
Weaknesses
CWE-79

Affected products

  • xibosignage / xibo

Matched remediation archetype

Cross-site scripting and unsafe browser output

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Check exposure

  • Trace reflected, stored, and DOM-derived untrusted values into HTML, attributes, URLs, styles, scripts, and client-side template sinks.
  • Identify affected origins, authenticated user roles, sensitive browser capabilities, and where content is shared across tenants.
  • Review framework escaping, rich-text sanitization, legacy templates, and client-side rendering paths.

Remediate safely

  • Use context-aware framework output encoding and safe DOM APIs; keep untrusted data out of executable contexts.
  • Sanitize intentionally supported markup with a maintained allowlist policy and validate URLs and attributes separately.
  • Update affected rendering components and add tests for every output context using inert sentinel markup.

Authoritative sources

Complete CVE record and remediation plan

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