CVE-2025-9866

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)

References

https://issues.chromium.org/issues/379337758

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-26672

https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop.html

Details

Source: Mitre, NVD

Named Vulnerability: GHSA-5g75-w57p-pj3x

Risk Information

CVSS v2

CVSS v3

EPSS