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Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that, in customizable analytics dashboards, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browsers due to improper input sanitization.

PUBLISHED Reserved 2026-03-17 | Published 2026-04-08 | Updated 2026-04-09 | Assigner GitLab




MEDIUM: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

18.2 (semver) before 18.8.9
affected

18.9 (semver) before 18.9.5
affected

18.10 (semver) before 18.10.3
affected

Credits

Thanks [go7f0](https://hackerone.com/go7f0) for reporting this vulnerability through our HackerOne bug bounty program finder

References

gitlab.com/gitlab-org/gitlab/-/work_items/593853

hackerone.com/reports/3600345 (HackerOne Bug Bounty Report #3600345) technical-description exploit permissions-required

about.gitlab.com/...8/patch-release-gitlab-18-10-3-released/

cve.org (CVE-2026-4332)

nvd.nist.gov (CVE-2026-4332)

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