VULNERABILITY INTELLIGENCE

CVE-2025-9866

CVSS score8.8 HIGH
EPSS probability0.50%
CISA KEVNot currently listed
Published2025-09-03
Last modified2026-09-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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)

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-693

Primary references