TYPO3-SA-2010-007: Cross-Site Scripting vulnerability in extension mm_forum (mm_forum)

It has been discovered that the extension mm_forum (mm_forum) is vulnerable to Cross-Site Scripting.

Release Date: March 16, 2010

Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.

Affected Versions: Version 1.8.2 and all versions below

Vulnerability Type: Cross-Site Scripting

Severity: Medium

Problem Description: The TYPO3 extension mm_forum fails to validate user supplied input.

Solution: An updated version 1.8.3 is available from the TYPO3 extension manager and at http://typo3.org/extensions/repository/view/mm_forum/1.8.3/.

Credits: Credits go to Stefanos Karasavvidis, who discovered and reported the issue.

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.