Advisory Published

CVE-2023-30333: Malicious File Upload

First published: Thu May 18 2023(Updated: )

An arbitrary file upload vulnerability in the component /admin/ of PerfreeBlog v3.1.2 allows attackers to execute arbitrary code via a crafted file.


Affected SoftwareAffected VersionHow to fix
Perfree PerfreeBlog=3.1.2

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Frequently Asked Questions

  • What is the vulnerability ID for this arbitrary file upload vulnerability?

    The vulnerability ID for this arbitrary file upload vulnerability is CVE-2023-30333.

  • What is the affected software for this vulnerability?

    The affected software for this vulnerability is Perfree PerfreeBlog v3.1.2.

  • What is the severity of CVE-2023-30333?

    The severity of CVE-2023-30333 is critical with a score of 9.8.

  • How can an attacker exploit this vulnerability?

    An attacker can exploit this vulnerability by uploading a crafted file to the /admin/ component of PerfreeBlog v3.1.2.

  • Is there any reference for this vulnerability?

    Yes, you can find more information about this vulnerability at:


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