TYPO3-EXT-SA-2014-021: Cross-Site Scripting vulnerability in wfGallery (wf_gallery)

It has been discovered that the extension "wfGallery" (wf_gallery) is susceptible to Cross-Site Scripting.

Release Date: December 15, 2014

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

Affected Versions: 1.0.3 and all versions below

Vulnerability Type: Cross-Site Scripting

Severity: Medium

Suggested CVSS v2.0: AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C

Problem Description: The extension fails to properly escape user input in HTML context.

Solution: Updated version 1.0.4 is available from the TYPO3 extension manager and at http://typo3.org/extensions/repository/download/wf_gallery/1.0.4/t3x/.

Credits: Credits go to Alexander Kellner who discovered and reported the vulnerability.

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.