CVE-2020-8280

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    CVE-2020-8280

    Published: 6 Jan 2021Last Modified: 8 Jul 2026

    Summary:

    Details: A missing file type check in Nextcloud Contacts 3.4.0 allows a malicious user to upload SVG files as PNG files to perform cross-site scripting (XSS) attacks.

    References: https://nextcloud.com/security/advisory/?id=NC-SA-2020-044, https://hackerone.com/reports/998422

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -c6fd09aef726e8758ed9f2af19ef630a36658892

    Affected versions

    v3.4.0

    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-2020-8280 | CVE-DB