CVE-2021-4436: 3dprint lite File Upload RCE — Exploit

Description

The 3DPrint Lite WordPress plugin before 1.9.1.5 does not have any authorisation and does not check the uploaded file in its p3dlite_handle_upload AJAX action , allowing unauthenticated users to upload arbitrary file to the web server. However, there is a .htaccess, preventing the file to be accessed on Web servers such as Apache.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
wp3dprinting	3dprint_lite	< 1.9.1.5

References

Exploits

https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/ https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/

Frequently Asked Questions

What is CVE-2021-4436? +

The 3DPrint Lite WordPress plugin before 1.9.1.5 does not have any authorisation and does not check the uploaded file in its p3dlite_handle_upload AJAX action , allowing unauthenticated users to upload arbitrary file to the web server. However, there is a .htaccess, preventing the file to be accessed on Web servers such as Apache. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2021-4436? +

CVE-2021-4436 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2021-4436? +

CVE-2021-4436 affects products from wp3dprinting, specifically: 3dprint_lite. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2021-4436? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2021-4436