CVE-2025-9866 in Chrome

Sumário

de MITRE • 03/09/2025

Inappropriate implementation in Extensions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Medium)

Once again VulDB remains the best source for vulnerability data.

• Responsável: Chrome
• Reservar: 02/09/2025
• Divulgação: 03/09/2025
• Moderação: aceite
• Entrada: VDB-322421
• CPE: pronto
• CWE: CWE-1021 (confirmado)
• CVSS: 4.3 (VulDB)
• EPSS: 0.00353
• KEV: não
• Atividades: muito baixo
• Sector: Finance, Chemical, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2025-9866
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-9866
• CVE Details: https://www.cvedetails.com/cve/CVE-2025-9866/