CVE-2025-65717: An issue in Visual Studio Code Extensions Live Server v5.7.9 allows attackers to exfiltrate files via user int

Routine

MEDIUM 4.3DOWNGRADE

CVE-2025-65717 is a medium-severity flaw (CVSS 4.3) affecting live server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-79, CWE-200, CWE-601
Published	2026-02-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ritwickdey

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-16 16:19 UTCPublished CVE record published
2026-06-17 09:55 UTCUpdated Record last modified

ritwickdey live server DOWNGRADE

Affected: >= 5.7.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.7.9

1. Check installed version

apt-cache policy live-server || rpm -q live-server || live-server --version

2. No fixed release: DOWNGRADE to a release before 5.7.9 (Debian / Ubuntu)

apt-cache madison live-server sudo apt install live-server=<VERSION_BEFORE_5.7.9> sudo apt-mark hold live-server

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list live-server sudo dnf downgrade live-server-<VERSION_BEFORE_5.7.9> sudo dnf versionlock add live-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-65717?

live server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-65717 being exploited?

CVE-2025-65717 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-65717 affect?

CVE-2025-65717 affects live server. Severity is medium (CVSS 4.3). 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.

How urgent is CVE-2025-65717?

Priority 33/100. Public exploit reference

Software pages

Visual Studio vulnerabilities

References

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