ns_backup Backup Plus Extension up to 13.0.2 on TYPO3 os command injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.7 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in ns_backup Backup Plus Extension up to 13.0.2 on TYPO3. The impacted element is an unknown function. This manipulation causes os command injection. This vulnerability appears as CVE-2025-9573. The attack may be initiated remotely. There is no available exploit.
Details
A vulnerability was found in ns_backup Backup Plus Extension up to 13.0.2 on TYPO3. It has been declared as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
The ns_backup extension through 13.0.2 for TYPO3 allows command injection.
The advisory is shared at typo3.org. This vulnerability is known as CVE-2025-9573 since 08/28/2025. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/02/2025). MITRE ATT&CK project uses the attack technique T1202 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at EUVD (EUVD-2025-26375) and CERT Bund (WID-SEC-2025-1941). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Affected
- TYPO3 Extension
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 4.7VulDB Meta Temp Score: 4.7
VulDB Base Score: 4.7
VulDB Temp Score: 4.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Os command injectionCWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
08/28/2025 CVE reserved09/02/2025 Advisory disclosed
09/02/2025 VulDB entry created
09/02/2025 VulDB entry last update
Sources
Advisory: typo3.orgStatus: Confirmed
CVE: CVE-2025-9573 (🔒)
GCVE (CVE): GCVE-0-2025-9573
GCVE (VulDB): GCVE-100-322153
EUVD: 🔒
CERT Bund: WID-SEC-2025-1941 - TYPO3 Extension (Backup Plus): Schwachstelle ermöglicht Codeausführung
Entry
Created: 09/02/2025 11:05Updated: 09/02/2025 15:33
Changes: 09/02/2025 11:05 (66), 09/02/2025 12:50 (7), 09/02/2025 15:33 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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