CVE-2023-6133
Forminator <= 1.27.0 - Authenticated (Administrator+) Arbitrary File Upload
CVSS Score
6.6
EPSS Score
0.0%
EPSS Percentile
0th
The Forminator plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient blacklisting on the 'forminator_allowed_mime_types' function in versions up to, and including, 1.27.0. This makes it possible for authenticated attackers with administrator-level capabilities or above to upload arbitrary files on the affected site's server, but due to the htaccess configuration, remote code cannot be executed.
| CWE | CWE-434 |
| Vendor | wpmudev |
| Product | forminator forms – contact form, payment form & custom form builder |
| Published | Nov 15, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
wpmudev / Forminator Forms – Contact Form, Payment Form & Custom Form Builder
0 ≤ 1.27.0
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/13cfa202-ab90-46c0-ab53-00995bfdcaa3?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/forminator/tags/1.27.0/library/fields/upload.php#L356 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/forminator/tags/1.27.0/library/fields/upload.php#L372 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2995007/forminator/trunk/library/helpers/helper-fields.php#file0
Credits
István Márton