{"id":"UBUNTU-CVE-2019-6784","details":"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.","modified":"2025-10-24T04:47:29Z","published":"2019-09-09T20:15:00Z","upstream":["CVE-2019-6784"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-6784"},{"type":"REPORT","url":"https://about.gitlab.com/2019/01/31/security-release-gitlab-11-dot-7-dot-3-released/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-6784"}],"affected":[{"package":{"name":"gitlab","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gitlab@8.5.8+dfsg-5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"],"ecosystem_specific":{"binaries":[{"binary_name":"gitlab","binary_version":"8.5.8+dfsg-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-6784.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}