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Vulnerability record · CVE-2021-4436 · published 5 February 2024

CVE-2021-4436: Wp3dprinting 3dprint lite unrestricted file upload vulnerability

Wp3dprinting · 3dprint Lite

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.

9.8 CVSS 3.1 Critical EPSS 6.6% · top 6.4% CWE-434 · Unrestricted file upload
9.8CVSS 3.1 base score
6.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/ ExploitThird Party Advisory
https://wpscan.com/vulnerability/c46ecd0d-a132-4ad6-b936-8acde3a09282/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-4436), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.