CVE-2025-9866 – Google Chrome Content Security Policy Bypass Vulnerability

The following table lists the changes that have been made to the
CVE-2025-9866 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Sep. 03, 2025

    Action Type Old Value New Value
    Added 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)
    Added Reference https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop.html
    Added Reference https://issues.chromium.org/issues/379337758
Share the Post:

Related Posts