CVE-2025-12716
highpriority · track · 0EPSS 0.004 · 37 %ileDEEUNLRUUSEPSS · scored 2026-10-28
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that, under certain conditions could have allowed an authenticated user to perform unauthorized actions on behalf of another user by creating wiki pages with malicious content.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (20)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0390Kwetsbaarheden verholpen in GitLab CE/EENL2025-12-11csaf · ncsc_nlNL
GitLab heeft kwetsbaarheden verholpen in GitLab CE/EE.
- WID-SEC-W-2025-2822GitLab: Mehrere SchwachstellenDeutsch2025-12-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Dateien zu manipulieren, um einen Cross-Site Scripting Angriff durchzuführen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, und um Informationen offenzulegen.
- BIT-gitlab-2025-12716Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab2025-12-18vendor · osvUS
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that, under certain conditions could have allowed an authenticated user to perform unauthorized actions on behalf of another user by creating wiki pages with malicious content.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/cnnvd
- https://gitlab.com/gitlab-org/gitlab/-/issues/579548cnnvd
- https://hackerone.com/reports/3405832cnnvd
- https://vigilance.fr/vulnerability/GitLab-CE-EE-multiple-vulnerabilities-dated-10-12-2025-49064cnnvd
- https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/enisa_euvd
- https://gitlab.com/gitlab-org/gitlab/-/issues/579548enisa_euvd
- https://hackerone.com/reports/3405832enisa_euvd
- https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/Release NotesVendor Advisorynvd
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