- Release Date: May 20, 2025
- Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
- Component: "Download manager" (reint_downloadmanager)
- Composer Package Name: renolit/reint-downloadmanager
- Vulnerability Type: Insecure Direct Object Reference
- Affected Versions: 4.0.1 and below, 5.0.0
- Severity: Medium
- Suggested CVSS v3.1: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C
- References: CVE-2025-48207, CWE-639
Problem Description
The extension fails to validate the downloaduid parameter of the downloadAction resulting in Insecure Direct Object Reference (IDOR). An unauthenticated attacker can use this vulnerability to download any files available in the system, even protected ones.
Solution
Updated versions 4.0.2 and 5.0.1 are available from the TYPO3 extension manager, packagist and at
https://extensions.typo3.org/extension/download/reint_downloadmanager/4.0.2/zip
https://extensions.typo3.org/extension/download/reint_downloadmanager/5.0.1/zip
Users of the extension are advised to update the extension as soon as possible.
Credits
Thanks to Alexander Künzl for reporting the issue and to Ephraim Härer for providing updated versions of the extension.
General Advice
Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list.