CVE-2025-12909

5.3 MEDIUM

Published: November 08, 2025 Modified: November 21, 2025

Description

Insufficient policy enforcement in Devtools in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to leak cross-origin data via Devtools. (Chromium security severity: Low)

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: chrome-cve-admin@google.com

Vendor Advisory

https://issues.chromium.org/issues/361116749

Source: chrome-cve-admin@google.com

Exploit Issue Tracking

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

5.3 / 10.0

EPSS (Exploit Probability)

0.1%

17th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-693

Affected Vendors

google

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