CVE-2021-29261

    Dashboard / Vulnerabilities / CVE-2021-29261

    CVE-2021-29261

    Published: 5 Apr 2021Last Modified: 8 Jul 2026

    Summary:

    Details: The unofficial Svelte extension before 104.8.0 for Visual Studio Code allows attackers to execute arbitrary code via a crafted workspace configuration.

    References: https://github.com/sveltejs/language-tools/releases, https://github.com/sveltejs/language-tools/releases/tag/extensions-104.8.0, https://marketplace.visualstudio.com/items?itemName=svelte.svelte-vscode, https://vuln.ryotak.me/advisories/3, https://github.com/sveltejs/language-tools/commit/5d7bf1fd98bfe2cd2080863a3c95ce099b898075

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -5d7bf1fd98bfe2cd2080863a3c95ce099b898075

    Affected versions

    svelte-check-1.2.6
    svelte-check-1.2.5
    svelte-check-1.2.4
    svelte-check-1.2.3
    svelte-check-1.2.2
    svelte-check-1.2.1
    svelte-check-1.2.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-29261 | CVE-DB