What’s Vulnerable › Vulnerabilities

CVE-2025-66370

• Severity: medium (CVSS 5.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-28 · updated 2026-10-19
• Weakness: CWE-611

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.

Affected products

• kivitendo: before 3.9.2 — fixed in 3.9.2

How to fix

Upgrade to a fixed version: kivitendo 3.9.2. Check the vendor advisory for mitigations.

References

• https://blog.kivitendo.de/?p=1415
• https://github.com/kivitendo/kivitendo-erp/blob/fd3f993fc731cbcaa5eb87d55df7c82df4df9c09/doc/changelog
• https://github.com/kivitendo/kivitendo-erp/commit/1286dee72f9919166178d0cdb5f52f13b0f7d4de
• https://github.com/kivitendo/kivitendo-erp/commit/f6ba56bd8d22a428534057589baace6b7bfdf2e9
• https://invoice.secvuln.info

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