Overview
CVE-2025-5959 is a high-severity vulnerability that has been discovered in Google’s popular web browser, Chrome. This vulnerability is centered around the V8 JavaScript engine used by Chrome and can enable an attacker to execute arbitrary code inside a sandbox through a specifically crafted HTML page. This vulnerability is particularly concerning due to the widespread use of Google Chrome, making a large number of users potentially susceptible to this issue if left unaddressed.
Vulnerability Summary
CVE ID: CVE-2025-5959
Severity: High (8.8 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: This vulnerability could result in a potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Google Chrome | Prior to 137.0.7151.103
How the Exploit Works
The vulnerability, a type confusion in V8, allows for the manipulation of the type of an object. Type confusion vulnerabilities occur when the program is tricked into treating an instance of one type as a different type. In the case of CVE-2025-5959, a remote attacker can send a maliciously crafted HTML page to a user. If the user opens this page in a vulnerable version of Chrome, the attacker can execute arbitrary code inside the browser’s sandbox environment.
Conceptual Example Code
The exploitation of this vulnerability would require a specifically crafted HTML page that exploits the type confusion in V8. The actual code would be highly dependent on the specific details of the V8 implementation and the target system, but conceptually, it would look something like this:
<html>
<script>
// Detailed JavaScript code that exploits the type confusion vulnerability in V8
var malicious_object = new ConfusableObject();
malicious_object.confuseType();
malicious_object.executeArbitraryCode();
</script>
<body>
<!-- Innocuous-looking content that entices the user to open the page -->
</body>
</html>In the example above, `ConfusableObject` is a placeholder for an actual object that can be used to exploit the type confusion vulnerability. The `confuseType` function would manipulate the internal state of the object to cause V8 to treat it as a different type, and the `executeArbitraryCode` function would take advantage of this type confusion to execute arbitrary code within the browser’s sandbox environment.