CVE-2025-65717

Published Feb 16, 2026

Last updated a month ago

CVSS medium 4.3
Visual Studio Code

Overview

Description
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.
Source
cve@mitre.org
NVD status
Analyzed
Products
live_server

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.3
Impact score
1.4
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Severity
MEDIUM

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-79

Social media

Hype score
Not currently trending
  1. VS Code の 4 件のエクステンションに深刻な脆弱性:累計インストール数は 1億2,500万回を超える https://t.co/DTJmRRdCsu 公表された問題の背景にあるのは、localhost 上のサービスやローカル・ファイルへ過度にアクセ

    @iototsecnews

    26 Feb 2026

    128 Impressions

    1 Retweet

    0 Likes

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  2. VS Codeの主要な拡張機能4件で危険性のある脆弱性-最大1.2億に影響(CVE-2025-65717,CVE-2025-65715,CVE-2025-65716) https://t.co/aonBEILRnS #セキュリティ対策Lab #セキュリティ #Security #CybersecurityNews

    @securityLab_jp

    24 Feb 2026

    69 Impressions

    0 Retweets

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  3. 🚨 Security Alert: Live Server Vulnerability If you use the Live Server extension in VS Code (over 72+M installs), pay attention. A critical flaw (CVE-2025-65717) has been discovered that could expose your local files. The Risk: An attacker could craft a malicious URL to

    @XenZeeCodes

    23 Feb 2026

    47 Impressions

    0 Retweets

    0 Likes

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    1 Reply

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  4. Critical VS Code Live Server flaw CVE-2025-65717 (CVSS 9.1) lets attackers steal source code and credentials via malicious links. Protect your workspace now. #VSCode #LiveServer #CyberSecurity #CVE202565717 #InfoSec #DevSecOps #AppSec https://t.co/jznRauT5sc

    @the_yellow_fall

    20 Feb 2026

    280 Impressions

    0 Retweets

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  5. 🚨 Critical VS Code Extension Flaws Put 128M+ Installs at Risk of File Theft and Remote Code Execution High-to-critical vulnerabilities in popular VS Code extensions—Live Server (CVE-2025-65715), Code Runner (CVE-2025-65716), Markdown Preview Enhanced (CVE-2025-65717), and

    @ThreatSynop

    19 Feb 2026

    105 Impressions

    0 Retweets

    1 Like

    1 Bookmark

    0 Replies

    0 Quotes

  6. VS Codeの人気拡張機能4つ(累計 1億2,850万インストール超 )に重大脆弱性が発見されました。 🙅 未修正 ・Live Server(72M)CVE-2025-65717(9.1) ・Markdown Preview Enhanced(8.5M) ・Code Runner(37M) 🙆‍♂️ 修正済み M

    @shimabu_it

    19 Feb 2026

    51760 Impressions

    47 Retweets

    407 Likes

    293 Bookmarks

    3 Replies

    5 Quotes

  7. 🚨 125M+ VS Code Installs at Risk: 4 Popular Extensions Enable File Exfiltration & Remote Code Execution OX Security disclosed high/critical flaws across Live Server (CVE-2025-65717), Code Runner (CVE-2025-65715), and Markdown Preview Enhanced (CVE-2025-65716), plus an issu

    @ThreatSynop

    18 Feb 2026

    160 Impressions

    0 Retweets

    0 Likes

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  8. VSCodeの人気拡張機能複数に脆弱性。Ox Security社報告。Code Runner (CVE-2025-65715)、Markdown Preview Enhanced (CVE-2025-65716)…Markdown Preview Enhanced (CVE-2025-65717)、Microsoft Live Preview(CVE未採番)。 https://t.co/pdjft1uOcU

    @__kokumoto

    18 Feb 2026

    1368 Impressions

    3 Retweets

    7 Likes

    4 Bookmarks

    2 Replies

    0 Quotes

  9. I disclosed these vulnerabilities and got issued 3 out of 4 CVEs CVE-2025-65715: Code Runner (37M+) CVE-2025-65716: Markdown Preview Enhanced (8.5M+) CVE-2025-65717: Live Server (72M+) No CVE (but fixed): Live Preview by Microsoft (11M+) https://t.co/herjrTX2Vx

    @MosheTov

    17 Feb 2026

    21 Impressions

    0 Retweets

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  10. We Found 4 Vulnerabilities in IDE Extensions With Over 120M(!) Downloads 3 of them were issued a CVE & the only one without a CVE is the only one that was fixed.. WHAT? 😶 CVE-2025-65715: Code Runner CVE-2025-65716: Markdown CVE-2025-65717: Live Server https://t.co/herj

    @MosheTov

    17 Feb 2026

    48 Impressions

    0 Retweets

    0 Likes

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    0 Replies

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  11. CVE-2025-65717 File Exfiltration Vulnerability in Visual Studio Code Liv... https://t.co/wEImtW2CJx Don't wait vulnerability scanning results: https://t.co/oh1APvMMnd

    @VulmonFeeds

    16 Feb 2026

    44 Impressions

    0 Retweets

    0 Likes

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    0 Replies

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