It has been discovered that the extension DR Wiki - Typo3 Wiki extension (dr_wiki) is vulnerable to Cross-Site Scripting (XSS).
Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: Version 1.7.1 and all versions below
Vulnerability Type: Cross Site Scripting
Solution: An updated version 1.7.2 is available from the TYPO3 extension manager and at <http://typo3.org/extensions/repository/view/dr_wiki/1.7.2/>. Users of the extension are advised to update the extension as soon as possible.
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 TYPO3 Security Team member Marcus Krause who discovered and reported the issues.