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Vulnerabilities

Vulnerability · CVE-2025-66370

Kivitendo before 3.9.2 allows XXE injection.

Published Nov 28, 2025 · catalog updated Jan 15, 2026 · Kivitendo before 3.9.2 allows

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-66370. EPSS is 0.35%. Act only if a listed version of Kivitendo before 3.9.2 allows is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Kivitendo before 3.9.2 allows).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.35%
Remediation
Version ranges on file
Affected products
vendor kivitendo kivitendo 0 <3.9.2

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor kivitendo kivitendo 0 <3.9.20 <3.9.2

How to fix CVE-2025-66370

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66370. EPSS is 0.35%. Act only if a listed version of Kivitendo before 3.9.2 allows is installed.

Which versions are affected?

Compare what you have installed with kivitendo kivitendo 0 <3.9.2 0 <3.9.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.35%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 28, 2025 · EUVD

    Detected

    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.

  2. Jan 15, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-66370

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66370

    30-day exploitation probability 0.35%

    first.org
  • EUVDVulnerability recordEUVD-2025-199851

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 4, 2026
  • CVE.orgOct 27, 2026
  • EUVDOct 27, 2026