Vulnerability · Published Feb 7, 2025 · Assigned by GitLab

CVE-2024-10383Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab VSCode Fork

High 8.7

In plain English

A high-severity cross-site scripting in GitLab VSCode Fork from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)8.7High

Exploit odds (30 days)0.3%top 78.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab VSCode Fork	0 – before 1.89.1-1.0.0-dev-20241118094343

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

References

GitLab Issue #500785 issue-tracking, permissions-required
HackerOne Bug Bounty Report #2765778 technical-description, exploit, permissions-required