What is CVE-2025-65717?

CVE-2025-65717 is a medium-severity vulnerability in Ritwickdey Live Server, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-02-16.

How severe is CVE-2025-65717?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2025-65717 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Ritwickdey Live Server

CVE-2025-65717

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (42.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Ritwickdey Live_server
N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

natsuki-engr/live-server-evil-crawler

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org

Frequently asked questions

What is CVE-2025-65717?: CVE-2025-65717 is a medium-severity vulnerability in Ritwickdey Live Server, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-02-16.
How severe is CVE-2025-65717?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-65717 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.