Release Date: November 07, 2017
Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: version 2.0.3 and below
Vulnerability Type: Cross-Site Scripting
CVE: not assigned yet
Problem Description: The extension fails to properly encode user input for output in e-mails sent by the extension.
Solution: Versions of this extension that are known to be vulnerable will no longer be available for download from the TYPO3 Extension Repository. The extension author is no longer maintaining this extension. Please uninstall and delete the extension folder from your installation.
Credits: Credits go to Siddhartha Tripathy who discovered and reported the vulnerability.