[Ticket#2025090210000021] Vulnerability in third party TYPO3 CMS extension

Dear TYPO3 users,

a vulnerability has been found in the following third party TYPO3 extension:

?TYPO3 Backup Plus? (ns_backup)

For further information on the issue, please read the related advisory
TYPO3-EXT-SA-2025-011 which was published today:

TYPO3-EXT-SA-2025-011: Command Injection in extension ?TYPO3 Backup Plus?
(ns_backup)
[1]https://typo3.org/security/advisory/typo3-ext-sa-2025-011

In general the TYPO3 Security Team recommends to read the following pages:

The TYPO3 Security Guide:
[2]https://docs.typo3.org/typo3cms/CoreApiReference/Security/Index.html

Make sure you are subscribed to the TYPO3 Announce List:
[3]https://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-announce

See all TYPO3 security advisories:
[4]https://typo3.org/help/security-advisories/

Best regards,

Torben Hansen
Member of the TYPO3 Security Team

--
TYPO3 Security Team homepage: [5]https://typo3.org/teams/security/

E-Mail: security@typo3.org

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[1] https://typo3.org/security/advisory/typo3-ext-sa-2025-011
[2] https://docs.typo3.org/typo3cms/CoreApiReference/Security/Index.html
[3] https://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-announce
[4] https://typo3.org/help/security-advisories/
[5] https://typo3.org/teams/security/