What is CVE-2021-4330?

CVE-2021-4330 is a high-severity vulnerability in Envato Envato_elements, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-03-07.

How severe is CVE-2021-4330?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-4330 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Envato Envato_elements

CVE-2021-4330

The Envato Elements & Download and Template Kit – Import plugins for WordPress are vulnerable to arbitrary file uploads due to insufficient validation of file type upon extracting uploaded Zip files in the installFreeTemplateKit and upload…

Vulnerability class: Unrestricted File Upload

EPSS: 0.015 (71.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Envato Envato_elements
Envato Elements – Photos & Elementor Templates — versions 0
Envato Template Kit – Import — versions 0
Envato Template_kit_-_import

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

20142995/nuclei-templates

References

security@wordfence.com
security@wordfence.com (Patch)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)

Frequently asked questions

What is CVE-2021-4330?: CVE-2021-4330 is a high-severity vulnerability in Envato Envato_elements, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-03-07.
How severe is CVE-2021-4330?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-4330 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.