What is CVE-2023-4596?

CVE-2023-4596 is a critical-severity vulnerability in Incsub Forminator, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-08-30.

How severe is CVE-2023-4596?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-4596 known to be exploited?

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

Arbitrary file upload in Incsub Forminator

CVE-2023-4596

The Forminator plugin for WordPress is vulnerable to arbitrary file uploads due to file type validation occurring after a file has been uploaded to the server in the upload_post_image() function in versions up to, and including, 1.24.6. Th…

Vulnerability class: Unrestricted File Upload

EPSS: 0.127 (95.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Incsub Forminator
Wpmudev Forminator Forms – Contact Form, Payment Form & Custom Builder — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Exploit, VDB Entry, Third Party Advisory)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2023-4596?: CVE-2023-4596 is a critical-severity vulnerability in Incsub Forminator, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-08-30.
How severe is CVE-2023-4596?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-4596 known to be exploited?: 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.