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TYPO3-EXT-SA-2016-002: Cross-Site Scripting in extension "List frontend users" (listfeusers)

It has been discovered that the extension "List frontend users" (listfeusers) is susceptible to Cross-Site Scripting.

Release Date: March 03, 2016

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

Affected Versions: version 0.9.9 and below

Vulnerability Type: Cross-Site Scripting

Severity: Low

Suggested CVSS v2.0: AV:N/AC:M/Au:S/C:P/I:P/A:P (What's that?)

Problem Description: The extension fails to properly sanitize data from TYPO3 fe_users records.

Solution: An updated version 0.9.11 is available from the TYPO3 Extension Manager and at https://typo3.org/extensions/repository/download/listfeusers/0.9.11/t3x/. Users of the extension are advised to update the extension as soon as possible.

Credits: Credits go to Torben Hansen who 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.