Cross-site scripting in Cybozu, Inc. Cybozu Office
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 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site scripting vulnerability in E-mail of Cybozu Office 10.0.0 to 10.8.4 allows remote attackers to inject an arbitrary script via unspecified vectors.
Why it matters now
EPSS 0.00839 58th 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 Office | 10.0.0 to 10.8.4 | — | No fix listed | CNA |
- Cybozu Office VendorCybozu, Inc. Affected 10.0.0 to 10.8.4 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cybozu:office:*:*:*:*:*:*:*:* | 10.0.0 – 10.8.4 | Vulnerable | Cybozu, Inc. |
- cpe:2.3:a:cybozu:office:*:*:*:*:*:*:*:* Versions 10.0.0 – 10.8.4 Vulnerable ·Cybozu, Inc.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20629
- 2026-10-03 Alias added: GHSA-rrf8-xx2r-rw7h
References
More Cybozu, Inc. Office 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-2016-01055 Multiple cross-site request forgery (CSRF) vulnerabilities in Cybozu Office 9.9.0 through… CVSS 3.0HIGH 8.8
- TI-2018-00659 Path traversal in Cybozu, Inc. Cybozu Office CVSS 3.0HIGH 7.5
- TI-2018-00658 Path traversal in Cybozu, Inc. Cybozu Office CVSS 3.0HIGH 7.5
- TI-2015-06995 Open redirect vulnerability in Cybozu Office 10.2.0 through 10.3.0 allows remote… CVSS 3.0HIGH 7.4
- TI-2019-04311 Path traversal in Cybozu, Inc. Cybozu Office CVSS 3.1MEDIUM 6.5
Sources
- CVE-2021-20629 · CVE Program
- CVE-2021-20629 · NVD
- FIRST EPSS
- GHSA-rrf8-xx2r-rw7h · GitHub Advisory Database · CC BY 4.0
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