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    4 vulnerabilities found for parcel by parceljs

    CVE-2025-56648 (GCVE-0-2025-56648)

    Vulnerability from nvd – Published: 2025-09-17 00:00 – Updated: 2026-01-26 16:10
    VLAI
    Summary
    npm parcel 2.0.0-alpha and before has an Origin Validation Error vulnerability. Malicious websites can send XMLHTTPRequests to the application's development server and read the response to steal source code when developers visit them.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • n/a
    • CWE-346 - Origin Validation Error
    Assigner
    References
    Show details on NVD website
    To clipboard 

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    CVE-2018-14731 (GCVE-0-2018-14731)

    Vulnerability from nvd – Published: 2018-09-21 17:00 – Updated: 2024-08-05 09:38
    VLAI
    Summary
    An issue was discovered in HMRServer.js in Parcel parcel-bundler. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1 connection (with a random TCP port number) from any origin. The random port number can be found by connecting to http://127.0.0.1 and reading the "new WebSocket" line in the source code.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Date Public
    2018-09-20 00:00
    Show details on NVD website
    To clipboard 

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    CVE-2025-56648 (GCVE-0-2025-56648)

    Vulnerability from cvelistv5 – Published: 2025-09-17 00:00 – Updated: 2026-01-26 16:10
    VLAI
    Summary
    npm parcel 2.0.0-alpha and before has an Origin Validation Error vulnerability. Malicious websites can send XMLHTTPRequests to the application's development server and read the response to steal source code when developers visit them.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • n/a
    • CWE-346 - Origin Validation Error
    Assigner
    References
    Show details on NVD website
    To clipboard 

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    CVE-2018-14731 (GCVE-0-2018-14731)

    Vulnerability from cvelistv5 – Published: 2018-09-21 17:00 – Updated: 2024-08-05 09:38
    VLAI
    Summary
    An issue was discovered in HMRServer.js in Parcel parcel-bundler. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1 connection (with a random TCP port number) from any origin. The random port number can be found by connecting to http://127.0.0.1 and reading the "new WebSocket" line in the source code.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Date Public
    2018-09-20 00:00
    Show details on NVD website
    To clipboard 

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