CVE-2021-24223

Public Exploit
N5 Upload Form <= 1.0 - Unauthenticated Arbitrary File Upload to RCE

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.92% Top 30%
Third-Party Advisory github.com Third-Party Advisory wpscan.com
Affected: Unknown N5 Upload Form
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/d7a72183-0cd1-45de-b98b-2e295b27e5db third party advisory exploit
https://github.com/jinhuang1102/CVE-ID-Reports/blob/12863f80ced5361e2e2c3f7209566ab3730aa37b/N5_upload.md third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-24223?
CVE-2021-24223 has been scored as a critical severity vulnerability.
How to fix CVE-2021-24223?
To fix CVE-2021-24223, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24223 being actively exploited in the wild?
It is possible that CVE-2021-24223 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24223?
CVE-2021-24223 affects Unknown N5 Upload Form.
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