What is CVE-2024-10383?

CVE-2024-10383 is a high-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2025-02-07.

How severe is CVE-2024-10383?

High severity. CVSS v3 base score is 8.7 out of 10.

XSS in GitLab

CVE-2024-10383

An issue has been discovered in the gitlab-web-ide-vscode-fork component distributed over CDN affecting all versions prior to 1.89.1-1.0.0-dev-20241118094343and used by all versions of GitLab CE/EE starting from 15.11 prior to 17.3 and which also temporarily affected versions 17.4, 17.5 and 17.6, where a XSS attack was possible when loading .ipynb files in the web IDE

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-02-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

GitLab — versions 17.4.0, 17.5.0, 17.6.0
GitLab Vscode Fork — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

gitlab.com/gitlab-org/gitlab/-/issues/500785 (issue-tracking, permissions-required, Broken Link)
hackerone.com/reports/2765778 (Permissions Required, technical-description, permissions-required, exploit)

Frequently asked questions

What is CVE-2024-10383?: CVE-2024-10383 is a high-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2025-02-07.
How severe is CVE-2024-10383?: High severity. CVSS v3 base score is 8.7 out of 10.