7.2
CWE
434
Advisory Published
Updated

CVE-2021-28976: Malicious File Upload

First published: Wed Jun 23 2021(Updated: )

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

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Get-simple Getsimplecms<3.3.15

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Frequently Asked Questions

  • What is CVE-2021-28976?

    CVE-2021-28976 is a remote code execution vulnerability in GetSimpleCMS before version 3.3.16 in the admin/upload.php file via phar files.

  • What is the severity of CVE-2021-28976?

    CVE-2021-28976 has a severity rating of 7.2, which is considered high.

  • How does CVE-2021-28976 affect GetSimpleCMS?

    CVE-2021-28976 affects GetSimpleCMS versions up to and excluding 3.3.16.

  • How can I fix CVE-2021-28976?

    To fix CVE-2021-28976, you need to update GetSimpleCMS to version 3.3.16 or later.

  • Where can I find more information about CVE-2021-28976?

    More information about CVE-2021-28976 can be found at the following link: [CVE-2021-28976](https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1335)

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