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    CVE-2021-22878

    Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`.

    Published:Mar 3, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 3, 2021
    EPSS Score:0.00368
    CVSS Score:4.8

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Nextcloud
    Product
    Nextcloud Server

    Exploits

    https://hackerone.com/reports/896522https://hackerone.com/reports/896522

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    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