CVE-2025-12734

Improper Encoding or Escaping of Output in GitLab

CVSS 3.5 LOWEPSS 0.2%CWE-116

Vexday Risk Score

8Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 3.5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

11 dez 2025Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

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

Produtos afetados

GitLab · GitLab

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Referências

https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/https://gitlab.com/gitlab-org/gitlab/-/issues/579573 https://hackerone.com/reports/3379381