CVE-2025-4439

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Source
https://cve.org/CVERecord?id=CVE-2025-4439
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-4439.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-4439
Aliases
Downstream
Published
2025-07-23T18:09:17.968Z
Modified
2026-04-10T05:26:49.000790Z
Severity
  • 7.7 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N CVSS Calculator
Summary
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Details

An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that could have allowed an authenticated user to perform cross-site scripting attacks when the instance is served through certain content delivery networks.

Database specific 
{
    "cna_assigner": "GitLab",
    "cwe_ids": [
        "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/4xxx/CVE-2025-4439.json"
}
References

Affected packages

Git / gitlab.com/gitlab-org/gitlab

Affected ranges

Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
defe6e7f8821c58e67a2e909ef8d36463d76e7e8
Fixed
5ca0e4219f737f6f0cd4b3f882dfabd5a923e559
Database specific 
{
    "versions": [
        {
            "introduced": "15.10"
        },
        {
            "fixed": "18.0.5"
        }
    ]
}
Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
e0f3b86408aa4e7f03b63ac9e7dba6de1df14e93
Fixed
c7ee7561779f200b01cfef218bac36f6688e6d75
Database specific 
{
    "versions": [
        {
            "introduced": "18.1"
        },
        {
            "fixed": "18.1.3"
        }
    ]
}
Type
GIT
Repo
https://gitlab.com/gitlab-org/gitlab
Events
Introduced
64403a0daee4413eb45b939590f37c351b8e72bf
Fixed
289574e3868fe846e00792ca15174fdb20a506ab
Database specific 
{
    "versions": [
        {
            "introduced": "18.2"
        },
        {
            "fixed": "18.2.1"
        }
    ]
}

Affected versions

v18.*
v18.1.0-ee
v18.2.0-ee

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-4439.json"