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CVE-2026-7377

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

CVSS 8.7 HIGHEPSS 0.3%CWE-79
GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Affected products
GitLab · GitLab
public PoCs found — 1
cve_referencehackerone.com/reports/3659044unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/https://gitlab.com/gitlab-org/gitlab/-/work_items/598497https://hackerone.com/reports/3659044