TYPO3-EXT-SA-2012-006: Cross-Site Scripting vulnerability in extension Basic SEO Features (seo_basics)

It has been discovered that the extension "Basic SEO Features" (seo_basics) is vulnerable to Cross-Site Scripting

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

Affected Versions: Version 0.8.1 and below

Vulnerability Type: Cross-Site Scripting

Severity: Medium

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

Release Date: March 28, 2012

Problem Description: Failing to properly sanitize user input, seo_basics is susceptible to Cross Site Scripting.

Solution: An updated version 0.8.2 is available from the TYPO3 extension manager and at http://typo3.org/extensions/repository/view/seo_basics/0.8.2/.

Credits: Thanks to TYPO3 Security Team member Markus Bucher who discovered and reported this 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.