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CVE-2025-8405
Good to know:
Date: December 11, 2025
GitLab has remediated a security issue in GitLab CE/EE affecting all versions from 17.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to perform unauthorized actions on behalf of other users by injecting malicious HTML into vulnerability code flow displays.
Severity Score
Severity Score
Weakness Type (CWE)
Improper Encoding or Escaping of Output
CWE-116Top Fix
Upgrade Version
Upgrade to version https://gitlab.com/gitlab-org/gitlab.git - v18.4.6-ee;https://gitlab.com/gitlab-org/gitlab.git - v18.5.4-ee;https://gitlab.com/gitlab-org/gitlab.git - v18.6.2-ee
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | REQUIRED |
| Scope (S): | CHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | HIGH |
| Availability (A): | NONE |