Command Injection Vulnerability in TYPO3 ns_backup Extension
CVE-2025-9573

8.6HIGH

Key Information:

Vendor

Typo3

Status
Extension "typo3 Backup Plus"
Vendor
CVE Published:
2 September 2025

What is CVE-2025-9573?

The ns_backup extension for TYPO3 versions up to 13.0.2 has a critical flaw that allows for command injection. This vulnerability enables attackers to execute arbitrary commands on the server, potentially leading to unauthorized access and data breaches. It is essential for TYPO3 users to apply security measures and follow best practices to protect against this serious threat.

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Deploy the Patch

Affected Version(s)

Extension "TYPO3 Backup Plus" 0 <= 13.0.2

References

https://typo3.org/security/advisory/typo3-ext-sa-2025-011

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Swiss NCSC Vulnerability Management Team
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