CVE-2010-3662: TYPO3 SQL Injection Vulnerability on the Backend

typo3/cms-backend Updated 02 Oct 2025

Summary

21/04/2022
Yes i
High
8.8

CVE-2010-3662: TYPO3 SQL injection vulnerability on the backend. Affects typo3/cms-backend across 4 version ranges.

< 4.1.14 >= 4.2.0, < 4.2.13 >= 4.3.0, < 4.3.4 >= 4.4.0, < 4.4.1

Fixed in 4 releases; the minimum fixed version depends on the release line you run. How to fix ↓

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Background

TYPO3 is an open-source content management system (CMS) used for building and managing websites. The TYPO3 CMS backend is responsible for the administration and configuration of the CMS. It provides a user interface for managing content, users, and system settings. However, versions 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 are vulnerable to a SQL injection attack on the backend.

Vulnerability Detail

The SQL injection vulnerability in TYPO3 allows an attacker to manipulate SQL queries executed by the backend. By injecting malicious SQL code, an attacker can bypass authentication, access unauthorized data, modify or delete data, and potentially gain full control over the TYPO3 CMS. This vulnerability poses a high risk to the confidentiality, integrity, and availability of the affected TYPO3 installations.

How To Fix

Fixed versions by release line

The minimum fixed version depends on the release line you run.

  • < 4.1.14 4.1.14
    composer require typo3/cms-backend:4.1.14
  • >= 4.2.0, < 4.2.13 4.2.13
    composer require typo3/cms-backend:4.2.13
  • >= 4.3.0, < 4.3.4 4.3.4
    composer require typo3/cms-backend:4.3.4
  • >= 4.4.0, < 4.4.1 4.4.1
    composer require typo3/cms-backend:4.4.1

Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →

Workaround

There is no known workaround for this vulnerability. It is essential to apply the provided patches or upgrade to the fixed versions to mitigate the risk of exploitation.

Conclusion

The SQL injection vulnerability in TYPO3 on the backend can have severe consequences, including unauthorized access, data manipulation, and potential compromise of the entire CMS installation. It is crucial to upgrade to the fixed versions or apply the provided patches to mitigate the risk. For further assistance and support in vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for typo3/cms-backend →

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FAQ

TYPO3 is an open-source content management system used for building and managing websites. It provides a flexible and extensible platform for creating and maintaining web content.

The TYPO3 CMS backend is the administrative interface of the TYPO3 CMS. It allows users to manage content, configure the system, and perform various administrative tasks.

SQL injection is a type of security vulnerability that allows an attacker to manipulate SQL queries executed by a web application. By injecting malicious SQL code, an attacker can bypass authentication, access unauthorized data, modify or delete data, and potentially gain control over the application.

The SQL injection vulnerability in TYPO3 can lead to unauthorized access to sensitive data, modification or deletion of data, and potential compromise of the entire CMS installation. It can also be used as a stepping stone for further attacks on the system.

To protect your TYPO3 installation, it is crucial to keep the CMS up to date by applying the provided patches or upgrading to the fixed versions. Regularly monitoring security advisories and promptly applying security updates is essential for maintaining the security of your TYPO3 installation.

Related vulnerabilities

Recent vulnerabilities recorded for typo3/cms-backend.

How To Fix

Fixed versions by release line

The minimum fixed version depends on the release line you run.

  • < 4.1.14 4.1.14
    composer require typo3/cms-backend:4.1.14
  • >= 4.2.0, < 4.2.13 4.2.13
    composer require typo3/cms-backend:4.2.13
  • >= 4.3.0, < 4.3.4 4.3.4
    composer require typo3/cms-backend:4.3.4
  • >= 4.4.0, < 4.4.1 4.4.1
    composer require typo3/cms-backend:4.4.1

Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →

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