---
id: CVE-2025-63082
title: >-
  Lack of input filtering leads to an XSS vector in the HTML filter code related
  to data URLs in img tags.
summary: >-
  Lack of input filtering leads to an XSS vector in the HTML filter code related
  to data URLs in img tags.
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! >= 4.0.0, < 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-2025-63082'
references:
  - url: >-
      https://developer.joomla.org/security-centre/1016-20260101-core-inadequate-content-filtering-for-data-urls.html
    label: security@joomla.org
tags:
  - nvd
epss: 0.00209
epssPercentile: 0.09898
ingestedAt: '2026-09-30T23:29:32.549Z'
---

## Overview

Lack of input filtering leads to an XSS vector in the HTML filter code related to data URLs in img tags.

## Affected

- `joomla! >= 4.0.0, < 5.4.2`
- `joomla! >= 6.0.0, < 6.0.2`

## Remediation

Upgrade past the affected range:

- `joomla! 6.0.2`