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.

CVSS v3.1

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

CVSS v3.1

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

EPSS

6.65% chance of exploitation in the next 30 days, 93th percentile

Nuclei

critical · CWE-434

Published

2024-02-05

Updated

2026-01-09

Proof-of-concept exploits (1)

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

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-4436.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2021-44359
• CVE-2021-44360
• CVE-2021-44358
• CVE-2021-44361
• CVE-2021-44357
• CVE-2021-44362