Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: Version 0.12.7 and below
Vulnerability Types: Cross Site Scripting
Release Date: December 21, 2012
Failing to encode user data for the HTML output, commerce is susceptible to Cross Site Scripting. Backend editor rights are required to exploit this vulnerability.
Solution: An updated version 0.12.8 is available from the TYPO3 extension manager and at typo3.org/extensions/repository/view/commerce/0.12.8/t3x/
Credits: Thanks to Tom Rüther who discovered and reported this issue. Further credits go to security team member Markus Bucher