CVE-2025-12909
Google Chrome Devtools Cross-Origin Data Leaking Vulnerability
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)
INFO
Published Date :
Nov. 8, 2025, 12:15 a.m.
Last Modified :
Nov. 8, 2025, 12:15 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-12909
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update Google Chrome to version 140.0.7339.80 or later.
- Ensure Devtools policy enforcement is properly configured.
- Apply relevant security patches for browser components.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-12909.
| URL | Resource |
|---|---|
| https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop.html | |
| https://issues.chromium.org/issues/361116749 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-12909 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-12909
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-12909 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-12909 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]
Nov. 08, 2025
Action Type Old Value New Value Added 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) Added Reference https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop.html Added Reference https://issues.chromium.org/issues/361116749