TYPO3 CMS Backend Cross-site Scripting Vulnerability
Summary
CVE-2010-3659: TYPO3 Cross-site Scripting vulnerability in the extension manager and backend forms. Affects typo3/cms-backend across 4 version ranges.
>= 4.1.0, < 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 CMS is an open-source content management system that allows users to create and manage websites. The TYPO3 CMS backend package is responsible for providing the administrative interface for managing the CMS. This package is vulnerable to a cross-site scripting (XSS) attack, which allows remote authenticated backend users to inject arbitrary web script or HTML into the system. This vulnerability affects TYPO3 CMS versions 4.1.x to 4.1.14, 4.2.x to 4.2.13, 4.3.x to 4.3.4, and 4.4.x to 4.4.1.
Vulnerability Detail
The vulnerability arises from multiple XSS vulnerabilities in TYPO3 CMS. These vulnerabilities allow authenticated backend users to inject malicious scripts or HTML into the system. The specific parameters that are vulnerable are unspecified, but they are related to the extension manager and unknown backend forms. An attacker with authenticated access to the backend can exploit these vulnerabilities to execute arbitrary code in the context of other backend users, potentially leading to unauthorized access, data theft, or other malicious activities.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
>= 4.1.0, < 4.1.144.1.14composer require typo3/cms-backend:4.1.14 -
>= 4.2.0, < 4.2.134.2.13composer require typo3/cms-backend:4.2.13 -
>= 4.3.0, < 4.3.44.3.4composer require typo3/cms-backend:4.3.4 -
>= 4.4.0, < 4.4.14.4.1composer require typo3/cms-backend:4.4.1
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the provided fix by upgrading to the latest version of TYPO3 CMS.
Conclusion
The TYPO3 CMS Backend Cross-site Scripting vulnerability allows authenticated backend users to inject malicious scripts or HTML into the system. This can lead to unauthorized access, data theft, or other malicious activities. It is crucial for TYPO3 CMS users to update to the latest fixed version to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for typo3/cms-backend →
FAQ
TYPO3 CMS is an open-source content management system that allows users to create and manage websites. It provides a flexible and extensible platform for building web applications.
Cross-site scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. This can lead to unauthorized access, data theft, or other malicious activities.
Users of TYPO3 CMS versions 4.1.x to 4.1.14, 4.2.x to 4.2.13, 4.3.x to 4.3.4, and 4.4.x to 4.4.1 are affected by this vulnerability. It specifically impacts authenticated backend users.
There are no known public exploits for this vulnerability at the time of this report. However, it is crucial to apply the fix as soon as possible to mitigate the risk of exploitation.
To update TYPO3 CMS, you can visit the TYPO3 CMS website or use your package manager to obtain the latest version available for your branch. For versions 4.1.x, 4.2.x, 4.3.x, and 4.4.x, the fixed versions are 4.1.14, 4.2.13, 4.3.4, and 4.4.1, respectively.
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