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TI-2025-40815 Aliases CVE-2025-66370GHSA-6p6f-w7vp-pv39

XML external entity injection in kivitendo

Priority LOW 23CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0035 28th percentileScored 2026-11-07
Fix Fixed kivitendo (kivitendo): 3.9.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
kivitendokivitendobefore 3.9.23.9.2Patch availableCNA
  • kivitendo Vendorkivitendo Affected before 3.9.2 Fixed in 3.9.2 Patch available CNA

Remediation

  • Fix · CNA kivitendo (kivitendo) Fixed in 3.9.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-66370
  2. 2026-10-03 Alias added: GHSA-6p6f-w7vp-pv39

References

Sources