CVE-2019-6784

6.1 mediumEPSS 1.1%

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.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2019-09-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

gitlab:gitlab

References

https://about.gitlab.com/2019/01/31/security-release-gitlab-11-dot-7-dot-3-released/
https://gitlab.com/gitlab-org/gitlab-ce/issues/54416
https://about.gitlab.com/2019/01/31/security-release-gitlab-11-dot-7-dot-3-released/
https://gitlab.com/gitlab-org/gitlab-ce/issues/54416

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