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

Affected Versions: version 6.2.15 and below

Vulnerability Type: Cross-Site Scripting

Severity: Medium

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

Problem Description: The extension fails to properly sanitize user input and is vulnerable to Cross-Site Scripting. To exploit the vulnerability a valid backend user account is required.

Solution: An updated version 6.2.16 is available from the TYPO3 Extension Manager and at https://typo3.org/extensions/repository/download/bootstrap_package/6.2.16/t3x/. Users of the extension are advised to update the extension as soon as possible.

Credits: Credits go to Falk Huber 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.