Threat landscape
medium

TYPO3 Extension: Mehrere Schwachstellen ermöglichen Manipulation von Dateien

WID-SEC-2026-0151 · first 20.01.2026 · updated 21.01.2026 · CVSS 6,5

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What it is about

TYPO3 ist ein freies Content-Management-System, basierend auf der Scriptsprache PHP und einer SQL-Datenbank. Über zahlreiche Extensions kann der Funktionsumfang der Core-Installation individuell erweitert werden. Ein Angreifer kann mehrere Schwachstellen in TYPO3 Extension ausnutzen, um Dateien zu manipulieren.

Under what conditions?

The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.

What can happen in the worst case

An attacker could use the vulnerability to

  • Dateien zu manipulieren

Am I affected?

Affected according to the BSI:

  • TYPO3 Extension Mailqueue <0.4.3
  • TYPO3 Extension Amazon Web Services (AWS) Toolbox <11.0.4
  • TYPO3 Extension Amazon Web Services (AWS) Toolbox <12.0.2
  • TYPO3 Extension AWS SDK for PHP <3.368.0
  • TYPO3 Extension Amazon AWS SDK
  • TYPO3 Extension Mailqueue <0.5.1

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • TYPO3 Extension Mailqueue 0.4.3
  • TYPO3 Extension Amazon Web Services (AWS) Toolbox 11.0.4
  • TYPO3 Extension Amazon Web Services (AWS) Toolbox 12.0.2
  • TYPO3 Extension AWS SDK for PHP 3.368.0
  • TYPO3 Extension Mailqueue 0.5.1

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.

Information and sources

CVE: CVE-2025-14761, CVE-2026-0895

Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.

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