GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS…
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
GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.
Why it matters now
EPSS 0.00983 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 8.4 to before 10.4.7 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 8.4 to before 10.4.7 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 10.5.0 to before 10.5.7 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 10.5.0 to before 10.5.7 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* | 10.6.0 to before 10.6.3 | Vulnerable | GitLab |
| cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* | 10.6.0 to before 10.6.3 | Vulnerable | GitLab |
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 8.4 to before 10.4.7 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 8.4 to before 10.4.7 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 10.5.0 to before 10.5.7 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 10.5.0 to before 10.5.7 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 10.6.0 to before 10.6.3 Vulnerable ·GitLab
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 10.6.0 to before 10.6.3 Vulnerable ·GitLab
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-9243
- 2026-10-03 Alias added: GHSA-7p8p-3gqp-fcqx
References
More Gitlab vulnerabilities
- TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
- TI-2026-58817 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab KEVCVSS 3.1CRITICAL 10.0
- TI-2023-06425 Weak Password Recovery Mechanism for Forgotten Password in GitLab KEVCVSS 3.1CRITICAL 10.0
- TI-2021-05191 Code injection in GitLab KEVCVSS 3.1CRITICAL 10.0
- TI-2021-05161 Server-side request forgery in GitLab KEVCVSS 3.1CRITICAL 9.8
- TI-2022-02763 Injection in GitLab CVSS 3.1CRITICAL 9.9
Sources
- CVE-2018-9243 · CVE Program
- CVE-2018-9243 · NVD
- FIRST EPSS
- GHSA-7p8p-3gqp-fcqx · 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