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CVE-2025-65717

CRITICAL CVSS 3.1: 9.1 EPSS 0.04%
Updated Feb 17, 2026
An
Parameter Value
CVSS 9.1 (CRITICAL)
Type CWE-200 (Information Exposure), CWE-601 (Open Redirect), CWE-79 (Cross-Site Scripting (XSS))
Vendor An
Public PoC No

An issue in Visual Studio Code Extensions Live Server v5.7.9 allows attackers to exfiltrate files via user interaction with a crafted HTML page.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

CWE-200 Information Exposure
CWE-601 Open Redirect
CWE-79 Cross-Site Scripting (XSS)

References 2

https://github.com/ritwickdey/vscode-live-server
cve@mitre.org
https://www.ox.security/blog/cve-2025-65717-live-server-vscode-vulnerability/
cve@mitre.org
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