CVE-2023-4596

Name: CVE-2023-4596
Creator: NVD / NIST
Published: 2023-08-30T02:15:09.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 12.75%

Last modified Jun 17, 2026

CVE-2023-4596 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.. EPSS estimates a 12.75% chance of exploitation in the next 30 days.

Description

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. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

12.75%

95.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Incsub	Forminator	<= 1.24.6

References

https://plugins.trac.wordpress.org/changeset/2954409/forminator/trunk/library/fields/postdata.phpPatch
https://www.exploit-db.com/exploits/51664Exploit, Third Party Advisory, VDB Entry
https://www.wordfence.com/threat-intel/vulnerabilities/id/9cd87da6-1f4c-4a15-8ebb-6e0f8ef72513?source=cveThird Party Advisory
https://plugins.trac.wordpress.org/changeset/2954409/forminator/trunk/library/fields/postdata.phpPatch
https://www.exploit-db.com/exploits/51664Exploit, Third Party Advisory, VDB Entry
https://www.wordfence.com/threat-intel/vulnerabilities/id/9cd87da6-1f4c-4a15-8ebb-6e0f8ef72513?source=cveThird Party Advisory

Timeline

Published: Aug 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4596?

How severe is CVE-2023-4596?

CVE-2023-4596 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 12.75% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4596?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4596?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST