CVE-2025-66370

MEDIUM
2025-11-28 [email protected]
5.0
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:24 vuln.today
CVE Published
Nov 28, 2025 - 04:16 nvd
MEDIUM 5.0

Tags

XXE

Description

Kivitendo before 3.9.2 allows XXE injection. By uploading an electronic invoice in the ZUGFeRD format, it is possible to read and exfiltrate files from the server's filesystem.

Analysis

Kivitendo before 3.9.2 allows XXE injection. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. Kivitendo before 3.9.2 allows XXE injection. By uploading an electronic invoice in the ZUGFeRD format, it is possible to read and exfiltrate files from the server's filesystem. Version information: before 3.9.2.

Affected Products

See vendor advisory for affected versions.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.

Priority Score

25
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +25
POC: 0

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CVE-2025-66370 vulnerability details – vuln.today
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