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Vulnerability record · CVE-2021-40188 · published 11 October 2021

CVE-2021-40188: Php-fusion phpfusion unrestricted file upload vulnerability

Php Fusion · Phpfusion

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.

7.2 CVSS 3.1 High EPSS 1.3% · top 30.8% CWE-434 · Unrestricted file upload
7.2CVSS 3.1 base score, v2 6.5
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/PHPFusion/PHPFusion/issues/2372 ExploitIssue TrackingThird Party Advisory
https://github.com/PHPFusion/PHPFusion/issues/2372 ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.6CVE-2020-23754Php-fusion phpfusion cross-site scripting vulnerabilityCross Site Scripting (XSS) vulnerability in infusions/member_poll_panel/poll_admin.php in PHP-Fusion 9.03.50, allows attackers to execute arbitrary c…EPSS 1.6%8.8CVE-2023-2453Php-fusion phpfusion inclusion from untrusted sphere vulnerabilityThere is insufficient sanitization of tainted file names that are directly concatenated with a path that is subsequently passed to a ‘require_once’ s…EPSS 0.89%8.8CVE-2022-3152Php-fusion phpfusion improper authentication vulnerabilityUnverified Password Change in GitHub repository phpfusion/phpfusion prior to 9.10.20.EPSS 0.88%8.6CVE-2020-37137Php-fusion phpfusion code injection vulnerabilityPHP-Fusion 9.03.50 contains a remote code execution vulnerability in the 'add_panel_form()' function that allows attackers to execute arbitrary code …EPSS 0.58%7.2CVE-2021-40189Php-fusion phpfusion unrestricted file upload vulnerabilityPHPFusion 9.03.110 is affected by a remote code execution vulnerability. The theme function will extract a file to "webroot/themes/{Theme Folder], wh…EPSS 1.8%6.1CVE-2014-8597Php-fusion phpfusion cross-site scripting vulnerabilityA reflected cross-site scripting (XSS) vulnerability in PHP-Fusion 7.02.07 allows remote attackers to inject arbitrary web script or HTML via the sta…EPSS 0.81%6.1CVE-2021-40541Php-fusion phpfusion cross-site scripting vulnerabilityPHPFusion 9.03.110 is affected by cross-site scripting (XSS) in the preg patterns filter html tag without "//" in descript() function An authenticate…EPSS 0.57%6.1CVE-2021-28280Php-fusion phpfusion cross-site scripting vulnerabilityCSRF + Cross-site scripting (XSS) vulnerability in search.php in PHPFusion 9.03.110 allows remote attackers to inject arbitrary web script or HTMLEPSS 0.70%

Source: NIST National Vulnerability Database (record CVE-2021-40188), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.