Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: Version 1.1.0 and below
Vulnerability Types: SQL Injection, Cross-Site Scripting
Severity: High
Suggested CVSS v2.0: AV:N/AC:L/Au:N/C:C/I:P/A:N/E:U/RL:OF/RC:C (What's that?)
Release Date: 07.09.2011
Problem Description: Failing to properly sanitize user input, direct_mail_subscription is susceptible to SQL Injection.
Failing to encode user data for the HTML output, direct_mail_subscription is susceptible to Cross Site Scripting.
Solution: An updated version 1.1.1 is available from the TYPO3 extension manager and attypo3.org/extensions/repository/view/direct_mail_subscription/1.1.1/.
Credits: Thanks to Ivan Kartolo who discovered and reported this issue.
General advice: Follow the recommendations that are given in the TYPO3 Security Cookbook. Please subscribe to thetypo3-announce mailing list to receive future Security Bulletins via E-mail.