---
id: CVE-2026-47347
aliases:
  - GHSA-3p42-w5ch-gg42
title: TYPO3 CMS has an Open Redirect Vulnerability via Core Utilities
summary: TYPO3 CMS has an Open Redirect Vulnerability via Core Utilities
severity: medium
cwe:
  - CWE-601
vendor: typo3
product: typo3/cms-core
ecosystem: composer
affected:
  - typo3/cms-core < 10.4.57
  - 'typo3/cms-core >= 11.0.0, < 11.5.51'
  - 'typo3/cms-core >= 12.0.0, < 12.4.46'
  - 'typo3/cms-core >= 13.0.0, < 13.4.31'
  - 'typo3/cms-core >= 14.0.0, < 14.3.3'
patched:
  - typo3/cms-core 10.4.57
  - typo3/cms-core 11.5.51
  - typo3/cms-core 12.4.46
  - typo3/cms-core 13.4.31
  - typo3/cms-core 14.3.3
published: '2026-06-12'
updated: '2026-06-12'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-3p42-w5ch-gg42'
references:
  - url: 'https://github.com/TYPO3/typo3/security/advisories/GHSA-3p42-w5ch-gg42'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-47347'
  - url: >-
      https://github.com/TYPO3/typo3/commit/22c2dd5398ebc4cb7aa4aa37e02cb39181dee0cd
  - url: >-
      https://github.com/TYPO3/typo3/commit/3ffc0835012c6199db0e1dc4b56a77147d8600e0
  - url: >-
      https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2026-47347.yaml
  - url: 'https://typo3.org/security/advisory/typo3-core-sa-2026-009'
  - url: 'https://github.com/advisories/GHSA-3p42-w5ch-gg42'
tags:
  - ghsa
  - composer
epss: 0.00294
epssPercentile: 0.22293
ingestedAt: '2026-07-07T15:41:59.012Z'
---

## Overview

### Problem
Applications that use `GeneralUtility::sanitizeLocalUrl` to allow only local URLs are vulnerable to open redirect attacks if the URL is used after it has passed the aforementioned sanitization checks. This enables attackers to redirect users to external content and carry out phishing attacks.

### Solution
Update to TYPO3 versions 10.4.57 ELTS, 11.5.51 ELTS, 12.4.46 ELTS, 13.4.31 LTS, 14.3.3 LTS that fix the problem described.

### Credits
TYPO3 CMS thanks Alexandre Romao for reporting this issue, and TYPO3 core & security team member Benjamin Franzke for fixing it.

### Resources
* [TYPO3-CORE-SA-2026-009](https://typo3.org/security/advisory/typo3-core-sa-2026-009)

## Affected packages

- `typo3/cms-core < 10.4.57`
- `typo3/cms-core >= 11.0.0, < 11.5.51`
- `typo3/cms-core >= 12.0.0, < 12.4.46`
- `typo3/cms-core >= 13.0.0, < 13.4.31`
- `typo3/cms-core >= 14.0.0, < 14.3.3`

## Remediation

Upgrade to a patched release:

- `typo3/cms-core 10.4.57`
- `typo3/cms-core 11.5.51`
- `typo3/cms-core 12.4.46`
- `typo3/cms-core 13.4.31`
- `typo3/cms-core 14.3.3`