TYPO3-20081222-3: TYPO3 Security Bulletin

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

Severity: Medium

Problem Description: Failing to filter user input the extension is susceptible to Cross Site Scripting (XSS) making it possible to execute arbitrary JavaScript.

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 Guide. 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.