---
id: CVE-2026-73336
title: >-
  Joomla! Core - [20260806] - XSS through schema.org outputs in Joomla
  5.1.0-5.4.7, 6.0.0-6.1.2
summary: >-
  Joomla! Core - [20260806] - XSS through schema.org outputs in Joomla
  5.1.0-5.4.7, 6.0.0-6.1.2 - Improper escaping flags lead to an XSS vector in
  schema.org markup outputs.
severity: medium
cvss: 5.1
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-79
vendor: Joomla! Project
product: Joomla! CMS
affected:
  - joomla_cms 5.1.0-5.4.6
  - joomla_cms 6.0.0-6.1.2
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-18T19:03:39.903798Z'
published: '2026-08-18'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T12:34:55.161Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-73336'
references:
  - url: 'https://www.joomla.org/'
  - url: >-
      https://developer.joomla.org/security-centre/1073-20260806-core-xss-through-schema-org-outputs.html
tags:
  - cve.org
epss: 0.00266
epssPercentile: 0.17234
ingestedAt: '2026-10-15T00:02:07.409Z'
---

## Overview

Joomla! Core - [20260806] - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2 - Improper escaping flags lead to an XSS vector in schema.org markup outputs.

## Affected

- `joomla_cms 5.1.0-5.4.6`
- `joomla_cms 6.0.0-6.1.2`

## Remediation

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