Vulnerability Database

308,681

Total vulnerabilities in the database

CVE-2025-9866

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)

  • Published: Sep 3, 2025
  • Updated: Nov 16, 2025
  • CVE: CVE-2025-9866
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWEs:

Software From Fixed in
google / chrome - 140.0.7339.80