CVE-2025-12734

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CVSS 3.1

3.5 low

EPSS

<1%p19

Published

Dec 11, 2025 (Dec 11, 2025)

Modified

Jun 17, 2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.6 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to, under certain conditions, render content in dialogs to other users by injecting malicious HTML content into merge request titles.

Vendors: gitlab
Products: gitlab
Weakness: CWE-116
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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