What is CVE-2021-24223?

CVE-2021-24223 is tracked as a Arbitrary File Upload issue affecting the Plugin N5 Upload Form.

Which N5 Upload Form versions are affected?

The primary affected range is Versions up to 1.0.

How should operators remediate CVE-2021-24223?

No patched release is listed in this record, so monitor the vendor and linked references before accepting the risk.

Vulnerability Report

Plugin Critical No patch listed CVE-2021-24223

N5 Upload Form <= 1.0 - Arbitrary File Upload

The N5 Upload Form WordPress plugin through 1.0 suffers from an arbitrary file upload issue in page where a Form from the plugin is embed, as any file can be uploaded. The uploaded filename might be hard to guess as it's generated with md5(uniqid(rand())), however, in the case of misconfigured servers with Directory listing enabled, accessing it is trivial.

Quick Answer

CVE-2021-24223 is a critical severity with CVSS 9.8 Arbitrary File Upload issue affecting the Plugin N5 Upload Form. It affects Versions up to 1.0 and is listed without a confirmed patched release.

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Published

Mar 26, 2021

Last Updated

Jan 22, 2024

Slug

n5-uploadform

Risk Profile

9.8 CVSS Score

Weakness

Unrestricted Upload of File with Dangerous Type

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Researchers

Jin Huang

Operational Summary

What the operator needs to know

Share Email

Patch Status

No patched release listed

Remediation

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

Operator Briefing

CVE-2021-24223 is tracked for the Plugin N5 Upload Form as critical severity with CVSS 9.8. The affected range is Versions up to 1.0. No fixed release is listed in this feed entry, so operators should monitor the vendor and reference links before accepting the risk.

Issue Type

Arbitrary File Upload

Primary Fixed Version

Not published

Primary Affected Range

Versions up to 1.0

Tracking ID

CVE-2021-24223

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/121afcc4-754c-4f4b-8b02-9b5a4a248041?source=api-prod

Detailed Metadata

Software Type	Plugin
Software Slug	n5-uploadform View on wordpress.org
CVE	CVE-2021-24223
Patched Versions	No patched versions published.
Affected Versions	Versions up to 1.0

Licensing Notices

This record contains material that is subject to copyright

DEFIANT

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MITRE

License: CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. Read more