vulnerability

Gitlab Gitlab: CVE-2021-39906: Improper Neutralization of Input During Web Page Generation

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Nov 4, 2021
Added
Apr 22, 2025
Modified
Sep 18, 2025

Description

Improper validation of ipynb files in GitLab CE/EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf.

Solution

gitlab-gitlab-upgrade-latest
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.