CVE-2021-28976

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    CVE-2021-28976

    Published: 23 Jun 2021Last Modified: 9 Jul 2026

    Summary:

    Details: Remote Code Execution vulnerability in GetSimpleCMS before 3.3.16 in admin/upload.php via phar filess.

    References: https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1335

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -a26202bee203910780f5a96b3bc1f52a8f23d0a1

    Affected versions

    v3.3.14
    v3.3.14b2
    v3.3.14b1
    v3.3.5

    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-2021-28976 | CVE-DB