---
id: CVE-2025-47828
title: >-
  Lumi H5P-Nodejs-library before 9.3.3 omits a sanitizeHtml call for plain text
  strings.
summary: >-
  Lumi H5P-Nodejs-library before 9.3.3 omits a sanitizeHtml call for plain text
  strings.
severity: medium
cvss: 6.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: Lumi
product: H5P-Nodejs-library
affected:
  - H5P-Nodejs-library < 9.3.3
published: '2025-05-11'
updated: '2026-09-27'
sourceUpdated: '2026-09-27T06:16:49.573'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-47828'
references:
  - url: >-
      https://github.com/Lumieducation/H5P-Nodejs-library/compare/v9.3.2...v9.3.3
    label: cve@mitre.org
  - url: 'https://github.com/Lumieducation/H5P-Nodejs-library/pull/3894'
    label: cve@mitre.org
  - url: 'http://seclists.org/fulldisclosure/2026/Sep/69'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
epss: 0.00238
epssPercentile: 0.13308
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2025-05-12T14:38:37.073090Z'
ingestedAt: '2026-09-27T05:43:09.225Z'
---

## Overview

Lumi H5P-Nodejs-library before 9.3.3 omits a sanitizeHtml call for plain text strings.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.