An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev8.
Priority LOW 22CWE-200Published · 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
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev8. References to external Open XML document type definitions (.dtd resources) can be placed within .docx and .xslx files. Those resources were requested when parsing certain parts of the generated document. As a result an attacker can track access to a manipulated document. Usage of a document may get tracked and information about internal infrastructure may get exposed.
Why it matters now
EPSS 0.00824 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:open-xchange:open-xchange_appsuite:*:rev7:*:*:*:*:*:* | up to 7.8.1 | Vulnerable | Open-Xchange GmbH |
- cpe:2.3:a:open-xchange:open-xchange_appsuite:*:rev7:*:*:*:*:*:* Versions up to 7.8.1 Vulnerable ·Open-Xchange GmbH
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4047
- 2026-10-03 Alias added: GHSA-8ffc-33px-g32x
References
—
More Open-Xchange GmbH Open-xchange Appsuite vulnerabilities
- TI-2022-17394 OX App Suite through 7.10.6 allows SSRF because the anti-SSRF protection mechanism only… CVSS 3.1MEDIUM 5.3
- TI-2022-17393 OX App Suite through 7.10.6 has Uncontrolled Resource Consumption via a large request… CVSS 3.1MEDIUM 5.3
- TI-2022-17392 OX App Suite through 7.10.6 has Uncontrolled Resource Consumption via a large location… CVSS 3.1MEDIUM 5.3
- TI-2022-17391 OX App Suite through 7.10.6 allows XSS via a malicious capability to the metrics or help… CVSS 3.1MEDIUM 6.1
- TI-2022-17390 OX App Suite through 7.10.6 allows XSS via script code within a contact that has an e-mail address but lacks a name. CVSS 3.1MEDIUM 6.1
- TI-2022-17389 OX App Suite through 7.10.6 allows XSS via HTML in text/plain e-mail messages. CVSS 3.1MEDIUM 6.1
Sources
- CVE-2016-4047 · CVE Program
- CVE-2016-4047 · NVD
- FIRST EPSS
- GHSA-8ffc-33px-g32x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences