• Release Date: November 10, 2021
• Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
• Component: "Google for Jobs" (google_for_jobs)
• Vulnerability Type: Cross-Site Scripting
• Affected Versions: 1.5.0 and below, 2.0.0 - 2.1.0
• Severity: Medium
• Suggested CVSS: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C
• References: CVE-2021-43561

Problem Description

The extension fails to properly encode user input for output in HTML context. A TYPO3 backend user account is required to exploit the vulnerability.

Note: Users of the extension, who have overwritten the default Fluid Partial Job/Properties.html, must manually remove all occurrences of f:format.raw in the affected partial.

Solution

Updated versions 1.5.1 and 2.1.1 are available from the TYPO3 extension manager, Packagist and at

https://extensions.typo3.org/extension/download/google_for_jobs/2.1.1/zip

https://extensions.typo3.org/extension/download/google_for_jobs/1.5.1/zip

Users of the extension are advised to update the extension as soon as possible.

Credits

Thanks to Security Team Member Georg Ringer for reporting the issue and to Michael Kunst for providing an updated version of the extension.

General Advice

Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list.