CVE-2023-2442
HIGH 8.7 ALL-YEARSAn issue has been discovered in GitLab CE/EE affecting all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A specially crafted merge request could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims.
96.1% modeled chance of exploitation in the next 30 days (100th percentile). Prioritize remediation.
Exploitation likelihood
96.1%chance of exploitation in 30 days · 100th 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
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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 | ≥ 15.11.0 and < 15.11.7 |
| Gitlab | Gitlab | ≥ 15.11.0 and < 15.11.7 |
| Gitlab | Gitlab | ≥ 16.0.0 and < 16.0.2 |
| Gitlab | Gitlab | ≥ 16.0.0 and < 16.0.2 |
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 - MEDIUM 5.4 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
References
Exploit-tagged references (not proof of a PoC)
- https://gitlab.com/gitlab-org/gitlab/-/issues/409346 CVE record · GitLab · Updated 2023-06-07T00:00:00.000Z
CVE record · CVE · Updated 2024-08-02T06:19:15.149Z
CVE record · CISA-ADP · Updated 2025-01-07T16:29:51.039Z
NVD · CVE-2023-2442 · Updated 2026-06-17T05:52:35.820
Advisories
- https://hackerone.com/reports/1965750 CVE record · GitLab · Updated 2023-06-07T00:00:00.000Z
CVE record · CVE · Updated 2024-08-02T06:19:15.149Z
NVD · CVE-2023-2442 · Updated 2026-06-17T05:52:35.820 - https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2442.json CVE record · GitLab · Updated 2023-06-07T00:00:00.000Z
CVE record · CVE · Updated 2024-08-02T06:19:15.149Z
NVD · CVE-2023-2442 · Updated 2026-06-17T05:52:35.820 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-33927 EUVD · EUVD-2023-33927
Sources: NVD · CVE.org · All sources and attribution · EPSS