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Vulnerability DatabaseCVE-2019-12445

CVE-2019-12445: 
GitLab vulnerability analysis and mitigation

Overview

A stored Cross-Site Scripting (XSS) vulnerability was discovered in GitLab Community and Enterprise Edition versions 8.4 through 11.11. The vulnerability allows a malicious user to execute JavaScript code on notes by importing a specially crafted project file (GitLab Release, NVD).

Technical details

The vulnerability has been assigned CVE-2019-12445 with a CVSS v3.1 Base Score of 5.4 (MEDIUM) and vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. The CVSS v2.0 Base Score is 3.5 (LOW) with vector (AV:N/AC:M/Au:S/C:N/I:P/A:N). The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (NVD).

Impact

The vulnerability allows attackers to execute arbitrary JavaScript code in the context of other users' browsers when they view notes containing the malicious payload. This could lead to theft of sensitive information, session hijacking, or other client-side attacks (NVD).

Mitigation and workarounds

The vulnerability has been fixed in GitLab version 11.11.1. All installations running affected versions (8.4 through 11.11) should be upgraded to the latest version immediately (GitLab Release).

Community reactions

The vulnerability was responsibly reported by @nyangawa of Chaitin Tech to GitLab's security team (GitLab Release).

Additional resources

Source: This report was generated using AI

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