CVE-2021-24223
9.8 · CRITICALOverview
CVE-2021-24223 is a critical-severity vulnerability affecting n5_upload_form_project n5_upload_form. It was published on April 12, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from n5_upload_form_project. Update n5_upload_form to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| n5_upload_form_project | n5_upload_form | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-24223?
CVE-2021-24223 is a critical-severity vulnerability affecting n5_upload_form_project n5_upload_form. It was published on April 12, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2021-24223?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-24223?
Check the references section for vendor advisories and patches from n5_upload_form_project. Update n5_upload_form to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-24223?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-24223 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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