TYPO3-EXT-SA-2025-011: Command Injection in extension "TYPO3 Backup Plus" (ns_backup)

Categories: Development Created by Torben Hansen
It has been discovered that the extension "TYPO3 Backup Plus" (ns_backup) is susceptible to Command Injection.

Problem Description

The extension fails to sanitize user input resulting in Command Injection when creating a backup. Exploiting this vulnerability requires a valid administrator account.

Solution

An updated version 13.0.3 is available from the TYPO3 extension manager, packagist and at
https://extensions.typo3.org/extension/download/ns_backup/13.0.3/zip

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

Credits

Thanks to the Swiss NCSC Vulnerability Management Team for reporting the vulnerability and to NITSAN 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.