Release Date: February 1, 2010
Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: Version 0.6.2 and all versions below
Vulnerability Type: Multiple SQL Injection and Crossâ€“Site Scripting vulnerabilities
Problem Description: The TYPO3 extension t3blog fails to sanitize parameters provided by the user through HTML forms. Therefore both SQL Injection and Crossâ€“Site Scripting are possible in Frontend and Backend.
Solution: An updated version 0.8.0 is available from the TYPO3 extension manager and at http://typo3.org/extensions/repository/view/t3blog/0.8.0/. Users of the extension are advised to update the extension as soon as possible.
Credits: Credits go to TYPO3 Security Team Member Marcus Krause who discovered and reported the issues and to TYPO3 Security Team Member Dmitry Dulepov who fixed the issues.