6.1

CVE-2026-78252

Exploit

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.3 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an authenticated user could have induced a targeted user to perform unintended state-changing HTTP requests due to improper sanitization of user-controlled data in the Markdown JSON table renderer.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gitlab ≫ GitLab SwEdition community Version >= 15.3.0 < 19.1.8
Gitlab ≫ GitLab SwEdition enterprise Version >= 15.3.0 < 19.1.8
Gitlab ≫ GitLab SwEdition community Version >= 19.2.0 < 19.2.6
Gitlab ≫ GitLab SwEdition enterprise Version >= 19.2.0 < 19.2.6
Gitlab ≫ GitLab SwEdition community Version >= 19.3.0 < 19.3.2
Gitlab ≫ GitLab SwEdition enterprise Version >= 19.3.0 < 19.3.2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.39% 0.329
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.1 2.8 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cve@gitlab.com 8.2 1.6 6
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/
Vendor Advisory
Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/621447
Issue Tracking
https://hackerone.com/reports/3917471
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