EUVD-2026-25046
GHSA-gj6x-vqpx-4p3c
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Lifecycle Timeline
8DescriptionNVD
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.4 and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.
AnalysisAI
Cross-site scripting (XSS) in GitLab CE/EE versions 18.10.0-18.10.3 and 18.11.0 enables unauthenticated attackers to execute arbitrary JavaScript in victim browser sessions via improper path validation. GitLab disclosed this vulnerability with publicly available exploit code (HackerOne report 3572231), though CISA SSVC indicates no active exploitation confirmed at time of analysis. …
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RemediationAI
Within 24 hours: Identify all GitLab CE/EE instances running versions 18.10.0-18.10.3 or 18.11.0 and assess user exposure. Within 7 days: Apply vendor-released patches-upgrade to GitLab CE/EE version 18.10.4 or 18.11.1 or later. …
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External POC / Exploit Code
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