Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Priority LOW 38CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
An issue has been discovered in GitLab EE that allows for cross-site-scripting attack and content security policy bypass in a user's browser under specific conditions, affecting all versions from 16.6 before 17.9.7, 17.10 before 17.10.5, and 17.11 before 17.11.1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00385 32nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GitLab (GitLab): 17.9.7, 17.10.5, 17.11.1
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 |
|---|---|---|---|---|---|
| GitLab | GitLab | 16.6 to before 17.9.7; 17.10 to before 17.10.5; 17.11 to before 17.11.1 | 17.9.7, 17.10.5, 17.11.1 | Patch available | CNA |
- GitLab VendorGitLab Affected 16.6 to before 17.9.7; 17.10 to before 17.10.5; 17.11 to before 17.11.1 Fixed in 17.9.7, 17.10.5, 17.11.1 Patch available CNA
Remediation
- Fix · CNA GitLab (GitLab) Fixed in 17.9.7, 17.10.5, 17.11.1
Timeline
- 2026-10-02 Threatist record created from CVE-2025-2443
- 2026-10-03 Alias added: GHSA-8qgm-5447-jmq4
References
Exploit 1
Other 1
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-2025-2443 · CVE Program
- CVE-2025-2443 · NVD
- FIRST EPSS
- GHSA-8qgm-5447-jmq4 · 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