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🛡️ CVE-2025-59021 — typo3

🟡 CVSS 6.4 — Medium ✅ No Known Exploit CWE-862 NVD
6.4
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

TYPO3 CMS Allows Broken Access Control in Redirects Module

Problem

Backend users with access to the redirects module and write permission on the sys_redirect table were able to read, create, and modify any redirect record - without restriction to the user’s own file‑mounts or web‑mounts. This allowed attackers to insert or alter redirects pointing to arbitrary URLs - facilitating phishing or other malicious redirect attacks.

Solution

Update to TYPO3 versions 10.4.55 ELTS, 11.5.49 ELTS, 12.4.41 LTS, 13.4.23 LTS, 14.0.2 that fix the problem described.

Credits

Thanks to Georg Dümmler for reporting this issue, and to TYPO3 security team member Elias Häußler for fixing it.

References

  • [TYPO3-CORE-SA-2026-002](https://typo3.org/security/advisory/typo3-core-sa-2026-002)

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: Low — an ordinary user account is enough.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Changed — a successful attack reaches components beyond the vulnerable one.
  • Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
  • Integrity impact: Low — limited, and the attacker does not choose what is affected.
  • Availability impact: None.

Weakness class

CVE-2025-59021 is classified as CWE-862: Missing Authorization. No authorisation check is performed before carrying out a restricted action.

Affected software

CVE-2025-59021 is recorded against 2 packages.

  • typo3 (from 14.0.0 up to 14.0.2)
  • typo3/cms-redirects (from 10.0.0 up to 10.4.55)

Timeline and source

Published on 13 January 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
github.com
typo3.org

Other advisories for this package

typo3 has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-862: Missing Authorization) in other software:

Details

Severity MEDIUM
CVSS Score 6.4
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE CWE-862
Public Exploit ✅ No
Source NVD
Published 2026-01-13
Updated 2026-08-20
Modified 2026-06-17

Affected Packages

Software From version Fixed in
typo3 14.0.0 14.0.2
typo3/cms-redirects 10.0.0 10.4.55

Similar Threats

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