CVE-2021-40188

Name: CVE-2021-40188
Creator: NVD / NIST
Published: 2021-10-11T19:15:07.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.26%

Last modified Jun 17, 2026

CVE-2021-40188 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. PHPFusion 9.03.110 is affected by an arbitrary file upload vulnerability. The File Manager function in admin panel does not filter all PHP extensions such as ".php, .php7, .phtml, .php5, ...". EPSS estimates a 1.26% chance of exploitation in the next 30 days.

Description

PHPFusion 9.03.110 is affected by an arbitrary file upload vulnerability. The File Manager function in admin panel does not filter all PHP extensions such as ".php, .php7, .phtml, .php5, ...". An attacker can upload a malicious file and execute code on the server.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

1.26%

65.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Php-Fusion	Phpfusion	9.03.110

References

https://github.com/PHPFusion/PHPFusion/issues/2372Exploit, Issue Tracking, Third Party Advisory
https://github.com/PHPFusion/PHPFusion/issues/2372Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Oct 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40188?

How severe is CVE-2021-40188?

CVE-2021-40188 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.26% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40188?

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-2021-40188?

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

Scan your code now

Source: NVD / NIST