It has been discovered that the extension commerce (commerce) is vulnerable to Cross Site Scripting.
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
Suggested CVSS v2.0: AV:N/AC:L/Au:S/C:P/I:C/A:P/E:P/RL:O/RC:C (What's that?)
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
General advice: Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list to receive future Security Bulletins via E-mail.