Cross-site scripting in Cybozu, Inc. Cybozu Mailwise
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Stored cross-site scripting vulnerability in Cybozu Mailwise 5.0.0 to 5.4.1 allows remote attackers to inject arbitrary web script or HTML 'E-mail Details Screen' via unspecified vectors.
Why it matters now
EPSS 0.00796 56th 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 |
|---|---|---|---|---|---|
| Cybozu, Inc. | Cybozu Mailwise | 5.0.0 to 5.4.1 | — | No fix listed | CNA |
- Cybozu Mailwise VendorCybozu, Inc. Affected 5.0.0 to 5.4.1 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cybozu:mailwise:*:*:*:*:*:*:*:* | 5.0.0 – 5.4.1 | Vulnerable | Cybozu, Inc. |
- cpe:2.3:a:cybozu:mailwise:*:*:*:*:*:*:*:* Versions 5.0.0 – 5.4.1 Vulnerable ·Cybozu, Inc.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-0557
- 2026-10-03 Alias added: GHSA-xfj9-jcw6-8q5m
References
More Cybozu, Inc. Mailwise vulnerabilities
- TI-2014-04330 Buffer overflow in Cybozu Office 9 and 10 before 10.1.0, Mailwise 4 and 5 before 5.1.4… CVSS 2.0HIGH 9.0
- TI-2018-00657 Path traversal in Cybozu, Inc. Cybozu Mailwise CVSS 3.0HIGH 7.5
- TI-2016-04186 Cybozu Mailwise before 5.4.0 allows remote attackers to obtain sensitive cookie information. CVSS 3.0MEDIUM 6.5
- TI-2013-02054 Cross-site request forgery (CSRF) vulnerability in Cybozu Office before 8.1.6 and 9.x… CVSS 2.0MEDIUM 6.8
- TI-2018-00516 Cross-site scripting in Cybozu, Inc. Cybozu Mailwise CVSS 3.0MEDIUM 6.1
- TI-2018-00515 Cross-site scripting in Cybozu, Inc. Cybozu Mailwise CVSS 3.0MEDIUM 6.1
Sources
- CVE-2018-0557 · CVE Program
- CVE-2018-0557 · NVD
- FIRST EPSS
- GHSA-xfj9-jcw6-8q5m · GitHub Advisory Database · CC BY 4.0
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