CVE-2019-6784: XSS
First published: Mon Sep 09 2019(Updated: )
An issue was discovered in GitLab Community and Enterprise Edition before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It allows XSS (issue 1 of 2). Markdown fields contain a lack of input validation and output encoding when processing KaTeX that results in a persistent XSS.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GitLab | <11.5.8 | |
| GitLab | <11.5.8 | |
| GitLab | >=11.6.0<11.6.6 | |
| GitLab | >=11.6.0<11.6.6 | |
| GitLab | >=11.7.0<11.7.1 | |
| GitLab | >=11.7.0<11.7.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-6784?
CVE-2019-6784 is rated as a medium severity vulnerability due to its potential for persistent cross-site scripting (XSS) attacks.
How do I fix CVE-2019-6784?
To fix CVE-2019-6784, upgrade to GitLab Community and Enterprise Edition versions 11.5.8, 11.6.6, or 11.7.1 or later.
Which versions are affected by CVE-2019-6784?
CVE-2019-6784 affects GitLab Community and Enterprise Editions prior to 11.5.8, between 11.6.0 and 11.6.6, and between 11.7.0 and 11.7.1.
What type of vulnerability is CVE-2019-6784?
CVE-2019-6784 is a cross-site scripting (XSS) vulnerability related to the processing of KaTeX in Markdown fields.
Can CVE-2019-6784 lead to data breaches?
Yes, due to its nature as a persistent XSS vulnerability, CVE-2019-6784 could potentially lead to unauthorized access or data breaches.
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