CVE-2019-6784

MEDIUM

GitLab < 11.5.8, 11.6.x < 11.6.6, 11.7.x < 11.7.1 - Stored Cross-Site Scripting via KaTeX Markdown Processing

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/gitlab-ce/issues/54416

Scores

CVSS v3 6.1
EPSS 0.0015
EPSS Percentile 34.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
gitlab/gitlab < 11.5.8 (2 CPE variants)
Published Sep 09, 2019
Tracked Since Feb 18, 2026