It has been discovered that the extension Frontend Filemanager (air_filemanager) is susceptible to Cross Site Scripting (XSS) attacks and allows Remote Code Execution.
Component Type: Third party extensions. These extensions are not part of the TYPO3 default installation.
Affected Versions: Version 0.6.0 and below
Vulnerability Type: Cross Site Scripting, Remote Code Execution
Solution: An updated version 0.6.1 is available from the TYPO3 extension manager and at
General advice: Follow the recommendations that are given in the TYPO3 Security Cookbook. Please subscribe to the typo3-announce mailing list to receive future Security Bulletins via E-mail.
Credits: Credits go to security team member Marcus Krause, who discovered the issue. Furthermore the TYPO3 Security Team wishes to thank the extension author Thomas Waggershauser. After being informed by the TYPO3 Security Team about the presence of security issues, he has fixed the issues quickly.