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CVE-2025-4664

MediumPublished

Insufficient policy enforcement in Loader in Google Chrome prior to 136.0.7103.113 allowed a remote attacker to leak cross-origin data via a crafted HTML...

Published: May 14, 2025
Updated: Jun 5, 2025
Assigning CNA: Chrome
Evidence observed: Aug 8, 2026

Primary CVSS

4.3/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

5.6%

Low · next 30 days

Percentile: 92.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Insufficient policy enforcement in Loader in Google Chrome prior to 136.0.7103.113 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Sources

CVE-2025-4664PoC
Educational demo of CVE-2025-4664, a Chrome Loader vulnerability enabling cross-origin data leakage via referrer-policy manipulation. Includes a victim HTML page and attacker Flask server for hands-on exploitation simulation.
cve-2025-4664PoC
PoC and Setup for CVE-2025-4664
ChromSploit-FrameworkExploit
Advanced AI-Powered Exploitation Framework | CVE-2025-4664 & CVE-2025-2783 & CVE-2025-2857 & CVE-2025-30397 |

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