CVEvulnerability

CVE-2026-1090

5.4 MEDIUM Published 2026-03-11 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-03-11
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.7 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS 3.1 ([email protected])
5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the `markdown_placeholders` feature flag was enabled, to inject JavaScript in a browser due to improper sanitization of placeholder content in markdown processing.

Affected configurations

• gitlab gitlab (>= 10.6.0 < 18.7.6) • gitlab gitlab (>= 18.8.0 < 18.8.6) • gitlab gitlab (>= 18.9.0 < 18.9.2)

Related

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References