CVE-2025-12669 — MEDIUM (5.4)

Q: How severe is CVE-2025-12669?

CVE-2025-12669 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-12669?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.

Vulnerability Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to inject HTML and JavaScript into email notifications sent to other users due to improper input sanitization.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Gitlab	Gitlab	>= 15.11.0, < 18.9.7

Related Weaknesses (CWE)

CWE-94

References

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-releasRelease Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/579385Not Applicable
https://hackerone.com/reports/3368096Permissions Required

FAQ

What is CVE-2025-12669?

CVE-2025-12669 is a vulnerability with a CVSS score of 5.4 (MEDIUM). GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to inject H...

How severe is CVE-2025-12669?

CVE-2025-12669 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-12669?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.