CVE-2025-11224

mediumpriority · track · 22EPSS 0.003 · 26 %ileDEEUNLUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (26th) EPSS

CVSS 5.4 · medium

Is it mine?

17 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · cert_bund · ncsc_nl

EPSS · scored 2026-10-27

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to execute stored cross-site scripting through improper input validation in the Kubernetes proxy functionality.

cvss

Technical severity, 0–10. One row per scoring source.

7.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.7

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.17.7highCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:Nsecondary · ENISA EU

v3.17.7highCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:Nsecondary · cve@gitlab.comexploitability 1.3 · impact 5.8

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79US

affected products (17)

Products and version ranges known to be affected.

Open Source GitLab <18.3.6all versionscert_bundDE
Open Source GitLab <18.4.4all versionscert_bundDE
Open Source GitLab <18.5.2all versionscert_bundDE
Open Source GitLab< 18.3.6cert_bundDE
Open Source GitLab< 18.4.4cert_bundDE
Open Source GitLab< 18.5.2cert_bundDE
GitLab GitLab15.10 → 18.3.6enisa_euvdEU
GitLab GitLab18.4 → 18.4.4enisa_euvdEU
GitLab GitLab18.5 → 18.5.2enisa_euvdEU
GitLab GitLab≤ vers:unknown/*ncsc_nlNL
Open Source GitLab≤ vers:unknown/*ncsc_nlNL
gitlab gitlab15.10.0 → 18.3.6nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab18.4.0 → 18.4.4nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab18.5.0 → 18.5.2nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab15.10.0 → 18.3.6osvUSpkg:bitnami/gitlab
Bitnami gitlab18.4.0 → 18.4.4osvUSpkg:bitnami/gitlab
Bitnami gitlab18.5.0 → 18.5.2osvUSpkg:bitnami/gitlab

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2025-0367Kwetsbaarheden verholpen in GitLabNL2025-11-18csaf · ncsc_nlNL
GitLab heeft kwetsbaarheden verholpen in GitLab CE/EE versies voor 18.3.6, 18.4.4, en 18.5.2.
WID-SEC-W-2025-2587GitLab: Mehrere SchwachstellenDeutsch2025-11-12csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Cross-Site-Scripting-Angriffe durchzuführen, vertrauliche Informationen offenzulegen, die Authentifizierung zu umgehen, Daten zu manipulieren oder einen Denial-of-Service-Zustand zu verursachen.
BIT-gitlab-2025-11224Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab2026-01-16vendor · osvUS
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to execute stored cross-site scripting through improper input validation in the Kubernetes proxy functionality.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund ncsc_nl nvd osv NVD CVE.org MITRE

published 2026-01-14modified 2026-06-17

references (10)

External citations — patches, advisories, analysis.

scry

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