XML external entity injection in ITERAS Peppol-py
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 and GitHub. Impact type from CWE-611 and the CVSS impact.
Summary
Peppol-py before 1.1.1 allows XXE attacks because of the Saxon configuration. When validating XML-based invoices, the XML parser could read files from the filesystem and expose their content to a remote host.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00345 28th percentileScored 2026-11-07
Fix Fixed Peppol-py (Iteras): 1.1.1peppol_py (PyPI): 1.1.1
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ITERAS | Peppol-py | before 1.1.1 | 1.1.1 | Patch available | CNA |
| — | peppol_py (PyPI) | before 1.1.1 | 1.1.1 | Patch available | GHSA-24hm-wm2h-h8w7 |
- Peppol-py VendorITERAS Affected before 1.1.1 Fixed in 1.1.1 Patch available CNA
- peppol_py (PyPI) Vendor— Affected before 1.1.1 Fixed in 1.1.1 Patch available GHSA-24hm-wm2h-h8w7
Remediation
- Fix · CNA Peppol-py (Iteras) Fixed in 1.1.1
- Fix · GHSA-24hm-wm2h-h8w7 peppol_py (PyPI) Fixed in 1.1.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-66371
- 2026-10-03 Alias added: GHSA-24hm-wm2h-h8w7
References
More ITERAS vulnerabilities
- TI-2024-35908 WordPress ITERAS plugin <= 1.8.0 - CSRF to Stored XSS vulnerability CVSS 3.1HIGH 7.1
- TI-2026-03533 ITERAS <= 1.8.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes CVSS 3.1MEDIUM 6.4
Sources
- CVE-2025-66371 · CVE Program
- CVE-2025-66371 · NVD
- FIRST EPSS
- GHSA-24hm-wm2h-h8w7 · GitHub Advisory Database · CC BY 4.0
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