TYPO3-20080924-2: TYPO3 Security Bulletin

It has been discovered that the extension freeCap CAPTCHA (sr_freecap) 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 1.0.3 and all versions below

Vulnerability Type: Cross-Site Scripting vulnerability

Severity: Medium

Problem Description: Failing to filter user input the extension is susceptible to Cross-Site Scripting making it possible to execute arbitrary JavaScript.

Solution: An updated version 1.0.4 is available from the TYPO3 extension manager and at typo3.org/extensions/repository/view/sr_freecap/1.0.4/. Users of the extension are advised to update the extension as soon as possible.

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.

Credits: Credits go to Frank Ruske, who discovered and reported the issue.