CVE-2025-8581

Name: CVE-2025-8581
Creator: NVD / NIST
Published: 2025-08-07T02:15:27.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2025-8581 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Inappropriate implementation in Extensions in Google Chrome prior to 139.0.7258.66 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low). EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

Inappropriate implementation in Extensions in Google Chrome prior to 139.0.7258.66 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.26%

17.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Google	Chrome	< 139.0.7258.66

References

https://chromereleases.googleblog.com/2025/08/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
https://issues.chromium.org/issues/416942878Issue Tracking, Permissions Required

Timeline

Published: Aug 7, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-8581?

How severe is CVE-2025-8581?

CVE-2025-8581 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8581?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8581?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST