TYPO3-EXT-SA-2012-009: Cross-site scripting vulnerability in extension powermail for TYPO3 (powermail)

It has been discovered that the extension "powermail" (powermail) is vulnerable to cross-site scripting.

Release Date: May 30, 2012

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

Affected Versions: Version 1.6.6 and below

Vulnerability Type: Cross-site scripting

Severity: Medium

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

Problem Description: Failing to properly sanitize user-supplied input the extension is open to Cross-Site Scripting attacks. Exploiting this flaw requires access to the scheduler module.

Solution: An updated version 1.6.7 is available from the TYPO3 extension manager and at http://typo3.org/extensions/repository/view/powermail/1.6.7/. Users of the extension are advised to update the extension as soon as possible.

Credits: Credits go to TYPO3 Security Team member Georg Ringer who discovered the issue.

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.