- Release Date: May 07, 2019
- Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
- Vulnerability Type: Open Redirect
- Affected Versions: 3.0.0 and below
- Severity: Medium
- Suggested CVSS v3.0: AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C
- CVE: not assigned yet
Problem Description
The extension fails to validate user input for the parameter “redirect_url”, which allows a redirect to an arbitrary URL after a successful user login.
Solution
An updated version 3.0.1 is available from the TYPO3 extension manager and at https://extensions.typo3.org/extension/download/hairu/3.0.1/zip/
Users of the extension are advised to update the extension as soon as possible.
Credits
Credits go to Helmut Hummel 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.