It has been discovered that the extension "T3Blog" (t3blog) is vulnerable to Cross-Site Scripting.
September 27, 2011Component Type:
Third party extension. This extension is not a part of the TYPO3 default installation.Affected Versions:
Version 1.1.1 and all versions belowVulnerability Type:
MediumSuggested CVSS v2.0: AV:N/AC:L/Au:N/C:P/I:P/A:N/E:F/RL:OF/RC:C
(What is this?
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 athttp://typo3.org/extensions/repository/view/t3blog/1.1.2/
. 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 TYPO3 Security Cookbook
. Please subscribe to thetypo3-announce mailing list
to receive future Security Bulletins via E-mail.