---
id: CVE-2025-63083
title: Lack of output escaping leads to a XSS vector in the pagebreak plugin.
summary: Lack of output escaping leads to a XSS vector in the pagebreak plugin.
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: joomla
product: joomla!
affected:
  - 'joomla! >= 3.9.0, < 5.4.2'
  - 'joomla! >= 6.0.0, < 6.0.2'
patched:
  - joomla! 6.0.2
published: '2026-01-06'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T23:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-63083'
references:
  - url: >-
      https://developer.joomla.org/security-centre/1017-20260102-core-xss-vector-in-the-pagebreak-plugin.html
    label: security@joomla.org
tags:
  - nvd
epss: 0.00209
epssPercentile: 0.09898
ingestedAt: '2026-09-30T23:29:32.549Z'
---

## Overview

Lack of output escaping leads to a XSS vector in the pagebreak plugin.

## Affected

- `joomla! >= 3.9.0, < 5.4.2`
- `joomla! >= 6.0.0, < 6.0.2`

## Remediation

Upgrade past the affected range:

- `joomla! 6.0.2`