TYPO3-EXT-SA-2011-013: Cross-Site scripting vulnerability in extension t3blog (t3blog)
September 27, 2011
It has been discovered that the extension "T3Blog" (t3blog) is vulnerable to Cross-Site Scripting.
Release Date: September 27, 2011
Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: Version 1.1.1 and all versions below
Vulnerability Type: Cross-Site Scripting
Suggested CVSS v2.0: ( )
Problem Description: T3Blog comments widget fails to escape the title of the parent comment when posting comments to comments. Thus Cross-Site Scripting becomes possible. Exploitation is possible by passing a specially crafted string as a URL parameter.
Solution: An updated version 1.1.2 is available from the TYPO3 extension manager and at . Users of the extension are advised to update the extension as soon as possible.
Credits: Credits go to Georg Ringer who discovered and reported the issue.
General advice: Follow the recommendations that are given in the . Please subscribe to the to receive future Security Bulletins via E-mail.