CVE-2025-6948
HIGH 8.7 ALL-YEARSAn issue has been discovered in GitLab CE/EE affecting all versions from 17.11 before 17.11.6, 18.0 before 18.0.4, and 18.1 before 18.1.2 that, under certain conditions, could have allowed a successful attacker to execute actions on behalf of users by injecting malicious content.
Severe if exploited (CVSS 8.7), but no confirmed exploitation. Patch on a normal cadence.
Exploitation likelihood
0.5%chance of exploitation in 30 days · 45th percentile
Impact if exploited
8.7CVSS 3.1 · HIGH · CNA
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityNone
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires a low-privilege account
- ⚠User interaction: A user must take an action (click / open a file)
- ✓Complexity: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
Search for new PoCs
Search GitHub now — results may be empty or unverified.
Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Data snapshot:
Weakness (CWE)
- CWE-79: : Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
References and research data (JSON)
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Gitlab | Gitlab | ≥ 17.11.0 and < 17.11.6 |
| Gitlab | Gitlab | ≥ 17.11.0 and < 17.11.6 |
| Gitlab | Gitlab | ≥ 18.0.0 and < 18.0.4 |
| Gitlab | Gitlab | ≥ 18.0.0 and < 18.0.4 |
| Gitlab | Gitlab | ≥ 18.1.0 and < 18.1.2 |
| Gitlab | Gitlab | ≥ 18.1.0 and < 18.1.2 |
All CVSS metrics
- HIGH 8.7 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - HIGH 8.7 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - HIGH 8 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
References
Exploit-tagged references (not proof of a PoC)
- https://hackerone.com/reports/3227316 CVE record · GitLab · Updated 2025-07-10T08:30:39.878Z
NVD · CVE-2025-6948 · Updated 2026-06-17T10:02:55.547
Advisories
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-20989 EUVD · EUVD-2025-20989
Technical & other
- https://gitlab.com/gitlab-org/gitlab/-/issues/552616 CVE record · GitLab · Updated 2025-07-10T08:30:39.878Z
NVD · CVE-2025-6948 · Updated 2026-06-17T10:02:55.547
Sources: NVD · CVE.org · All sources and attribution · EPSS