---
id: CVE-2026-112867
title: WordPress H5P plugin <= 1.17.9 - Cross Site Scripting (XSS) vulnerability
summary: >-
  Improper Neutralization of Input During Web Page Generation ('Cross-site
  Scripting') vulnerability in H5P H5P h5p allows Stored XSS.This issue affects
  H5P: from n/a through 1.17.9.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L'
cvssSource: cna
cwe:
  - CWE-79
vendor: H5P
product: h5p
affected:
  - h5p <= 1.17.9
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T06:47:23.555Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112867'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/h5p/vulnerability/wordpress-h5p-plugin-1-17-9-cross-site-scripting-xss-vulnerability?_s_id=cve
tags:
  - cve.org
ingestedAt: '2026-10-22T07:32:31.144Z'
---

## Overview

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in H5P H5P h5p allows Stored XSS.This issue affects H5P: from n/a through 1.17.9.

## Affected

- `h5p <= 1.17.9`

## Remediation

Update the WordPress H5P plugin to the latest available version (at least 1.17.10).