# typo3/cms-backend (Packagist) vulnerabilities

26 known vulnerabilities (3 high, 10 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://packagist.org/packages/typo3/cms-backend

## Advisories (26)

### [CVE-2026-77132](https://cve.now/CVE-2026-77132): TYPO3 CMS - Information Disclosure via Backend Localization Wizard

- Severity: Medium 5.3
- Published: Sep 8, 2026
- Affected: from 10.0.0, fixed in 10.4.60; from 11.0.0, fixed in 11.5.54; from 12.0.0, fixed in 12.4.49; from 13.0.0, fixed in 13.4.35; from 14.0.0, fixed in 14.3.7.

### [CVE-2026-19418](https://cve.now/CVE-2026-19418): TYPO3 CMS - Broken Access Control in Backend and Install Tool

- Severity: High 7.3
- Published: Aug 11, 2026
- Affected: from 13.0.0, fixed in 13.4.34; from 14.0.0, fixed in 14.3.6; from 13.0.0, fixed in 13.4.34.

### [CVE-2026-47352](https://cve.now/CVE-2026-47352): TYPO3 CMS - Broken Access Control in Backend API

- Severity: Medium 5.3
- Published: Jun 9, 2026
- Affected: fixed in 10.4.57; from 11.0.0, fixed in 11.5.51; from 12.0.0, fixed in 12.4.46; from 13.0.0, fixed in 13.4.31; from 14.0.0, fixed in 14.3.3; fixed in 10.4.57; from 11.0.0, fixed in 11.5.51; from 12.0.0, fixed in 12.4.46; from 13.0.0, fixed in 13.4.31; from 14.0.0, fixed in 14.3.3.

### [CVE-2026-47351](https://cve.now/CVE-2026-47351): TYPO3 CMS - Broken Access Control in Clipboard

- Severity: Medium 5.3
- Published: Jun 9, 2026
- Affected: from 10.4.0, fixed in 13.4.31; from 14.0.0, fixed in 14.3.3; fixed in 10.4.57; from 11.0.0, fixed in 11.5.51; from 12.0.0, fixed in 12.4.46; from 13.0.0, fixed in 13.4.31; from 14.0.0, fixed in 14.3.3.

### [CVE-2026-6553](https://cve.now/CVE-2026-6553): TYPO3 CMS Stores Cleartext Password in User Settings Module

- Severity: High 7.3
- Published: Apr 21, 2026
- Affected: from 14.2.0, fixed in 14.3.0; from 14.2.0, fixed in 14.3.0.

### [CVE-2025-59020](https://cve.now/CVE-2025-59020): TYPO3 CMS Allows Broken Access Control in Edit Document Controller

- Severity: Medium 5.3
- Published: Jan 13, 2026
- Affected: from 10.0.0, fixed in 10.4.55; from 11.0.0, fixed in 11.5.49; from 12.0.0, fixed in 12.4.41; from 13.0.0, fixed in 13.4.23; from 14.0.0, fixed in 14.0.2; from 14.0.0, fixed in 14.0.2; from 13.0.0, fixed in 13.4.23; from 12.0.0, fixed in 12.4.41; from 11.0.0, fixed in 11.5.49; from 10.0.0, fixed in 10.4.55.

### [CVE-2025-59019](https://cve.now/CVE-2025-59019): Information Disclosure via CSV Download

- Severity: Medium 5.3
- Published: Sep 9, 2025
- Affected: from 12.0.0, fixed in 12.4.37; from 13.0.0, fixed in 13.4.18; from 12.0.0, fixed in 12.4.37; from 13.0.0, fixed in 13.4.18.

### [CVE-2025-59017](https://cve.now/CVE-2025-59017): Broken Access Control in Backend AJAX Routes

- Severity: Medium 5.3
- Published: Sep 9, 2025
- Affected: from 9.0.0, fixed in 9.5.55; from 10.0.0, fixed in 10.4.54; from 11.0.0, fixed in 11.5.48; from 12.0.0, fixed in 12.4.37; from 13.0.0, fixed in 13.4.18; from 9.0.0, fixed in 12.4.37; from 10.0.0, fixed in 12.4.37; from 11.0.0, fixed in 12.4.37; from 12.0.0, fixed in 12.4.37; from 13.0.0, fixed in 13.4.18.

### [CVE-2025-59014](https://cve.now/CVE-2025-59014): Denial of Service in TYPO3 Bookmark Toolbar

- Severity: Medium 5.1
- Published: Sep 9, 2025
- Affected: from 11.0.0, fixed in 11.5.48; from 12.0.0, fixed in 12.4.37; from 13.0.0, fixed in 13.4.18; from 11.0.0, fixed in 12.4.37; from 12.0.0, fixed in 12.4.37; from 13.0.0, fixed in 13.4.18.

### [CVE-2025-47941](https://cve.now/CVE-2025-47941): TYPO3 Has Broken Authentication in Backend MFA

- Severity: High 7.2
- Published: May 20, 2025
- Affected: from 12.0.0, fixed in 12.4.31; from 13.0.0, fixed in 13.4.12.

### [CVE-2024-34537](https://cve.now/CVE-2024-34537): TYPO3 before 13.3.1 allows denial of service (interface error) in the Bookmark Toolbar (ext:backend), exploitable by an…

- Severity: Medium 4.9
- Published: Oct 28, 2024
- Affected: from 13.0.0, fixed in 13.3.1; from 12.0.0, fixed in 12.4.21; from 11.0.0, fixed in 11.5.40; from 10.0.0, fixed in 10.4.46.

### [CVE-2024-47780](https://cve.now/CVE-2024-47780): Information Disclosure in TYPO3 Page Tree

- Severity: Low 3.1
- Published: Oct 8, 2024
- Affected: from 13.0.0, fixed in 13.3.1; from 12.0.0, fixed in 12.4.21; from 11.0.0, fixed in 11.5.40; from 10.0.0, fixed in 10.4.46.

### [CVE-2021-21370](https://cve.now/CVE-2021-21370): Cross-Site Scripting in Content Preview (CType menu)

- Severity: Medium 5.4
- Published: Mar 23, 2021
- Affected: from 7.0.0, fixed in 7.6.51; from 8.0.0, fixed in 8.7.40; from 9.0.0, fixed in 9.5.25; from 10.0.0, fixed in 10.4.14; from 11.0.0, fixed in 11.1.1.

### [CVE-2021-21340](https://cve.now/CVE-2021-21340): Cross-Site Scripting in Content Preview

- Severity: Medium 5.4
- Published: Mar 23, 2021
- Affected: from 10.0.0, fixed in 10.4.14; from 11.0.0, fixed in 11.1.1.

### [CVE-2010-3664](https://cve.now/CVE-2010-3664): TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows Information Disclosure on the backend.

- Severity: Unrated
- Published: Nov 4, 2019
- Affected: fixed in 4.1.14; from 4.2.0, fixed in 4.2.13; from 4.3.0, fixed in 4.3.4; from 4.4.0, fixed in 4.4.1.

### [CVE-2010-3663](https://cve.now/CVE-2010-3663): TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 contains an insecure default value of the variable…

- Severity: Unrated
- Published: Nov 4, 2019
- Affected: fixed in 4.1.14; from 4.2, fixed in 4.2.13; from 4.3, fixed in 4.3.4; from 4.4, fixed in 4.4.1.

### [CVE-2010-3662](https://cve.now/CVE-2010-3662): TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows SQL Injection on the backend.

- Severity: Unrated
- Published: Nov 4, 2019
- Affected: fixed in 4.1.14; from 4.2.0, fixed in 4.2.13; from 4.3.0, fixed in 4.3.4; from 4.4.0, fixed in 4.4.1.

### [CVE-2010-3661](https://cve.now/CVE-2010-3661): TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows Open Redirection on the backend.

- Severity: Unrated
- Published: Nov 1, 2019
- Affected: fixed in 4.1.14; from 4.2.0, fixed in 4.2.13; from 4.3.0, fixed in 4.3.4; from 4.4.0, fixed in 4.4.1.

### [CVE-2010-3660](https://cve.now/CVE-2010-3660): TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows XSS on the backend.

- Severity: Unrated
- Published: Nov 1, 2019
- Affected: fixed in 4.1.14; from 4.2.0, fixed in 4.2.13; from 4.3.0, fixed in 4.3.4; from 4.4.0, fixed in 4.4.1.

### [CVE-2010-3659](https://cve.now/CVE-2010-3659): Multiple cross-site scripting (XSS) vulnerabilities in TYPO3 CMS 4.1.x before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4, and 4.4.x…

- Severity: Unrated
- Published: Oct 20, 2017
- Affected: from 4.1.0, fixed in 4.1.14; from 4.2.0, fixed in 4.2.13; from 4.3.0, fixed in 4.3.4; from 4.4.0, fixed in 4.4.1.

### [CVE-2010-3715](https://cve.now/CVE-2010-3715): Multiple cross-site scripting (XSS) vulnerabilities in TYPO3 4.2.x before 4.2.15, 4.3.x before 4.3.7, and 4.4.x before 4.4.4 allow remote…

- Severity: Unrated
- Published: Oct 25, 2010
- Affected: from 4.2.0, fixed in 4.2.15; from 4.3.0, fixed in 4.3.7; from 4.4.0, fixed in 4.4.4.

### [CVE-2009-3631](https://cve.now/CVE-2009-3631): The Backend subcomponent in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2, when the DAM…

- Severity: Unrated
- Published: Nov 2, 2009
- Affected: through 4.0.13; from 4.1.0, fixed in 4.1.13; from 4.2.0, fixed in 4.2.10; from 4.3alpha1, fixed in 4.3beta2.

### [CVE-2009-3630](https://cve.now/CVE-2009-3630): The Backend subcomponent in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2 allows remote…

- Severity: Unrated
- Published: Nov 2, 2009
- Affected: through 4.0.13; from 4.1.0, fixed in 4.1.13; from 4.2.0, fixed in 4.2.10; from 4.3alpha1, fixed in 4.3beta2.

### [CVE-2009-3629](https://cve.now/CVE-2009-3629): Multiple cross-site scripting (XSS) vulnerabilities in the Backend subcomponent in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x…

- Severity: Unrated
- Published: Nov 2, 2009
- Affected: through 4.0.13; from 4.1.0, fixed in 4.1.13; from 4.2.0, fixed in 4.2.10; from 4.3alpha1, fixed in 4.3beta2.

### [CVE-2009-3628](https://cve.now/CVE-2009-3628): The Backend subcomponent in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2 allows remote…

- Severity: Unrated
- Published: Nov 2, 2009
- Affected: through 4.0.13; from 4.1.0, fixed in 4.1.13; from 4.2.0, fixed in 4.2.10; from 4.3alpha1, fixed in 4.3beta2.

### [CVE-2008-5644](https://cve.now/CVE-2008-5644): Cross-site scripting (XSS) vulnerability in the file backend module in TYPO3 4.2.2 allows remote attackers to inject arbitrary web script…

- Severity: Unrated
- Published: Dec 17, 2008
- Affected: from 4.2.2, fixed in 4.2.3.

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