{"id":"CVE-2023-6133","state":"PUBLISHED","title":"Forminator <= 1.27.0 - Authenticated (Administrator+) Arbitrary File Upload","description":"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.","publishedAt":"2023-11-15T06:40:46.339Z","updatedAt":"2026-04-08T16:36:41.971Z","severity":{"score":6.6,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","source":"Wordfence"},"assigner":"Wordfence","products":["wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder"],"affected":[{"vendor":"wpmudev","product":"Forminator Forms – Contact Form, Payment Form & Custom Form Builder","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.27.0","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/13cfa202-ab90-46c0-ab53-00995bfdcaa3?source=cve","https://plugins.trac.wordpress.org/browser/forminator/tags/1.27.0/library/fields/upload.php#L356","https://plugins.trac.wordpress.org/browser/forminator/tags/1.27.0/library/fields/upload.php#L372","https://plugins.trac.wordpress.org/changeset/2995007/forminator/trunk/library/helpers/helper-fields.php#file0"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/6xxx/CVE-2023-6133.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-6133","state":"PUBLISHED","datePublished":"2023-11-15T06:40:46.339Z","dateUpdated":"2026-04-08T16:36:41.971Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2023-11-14T18:06:41.460Z"},"containers":{"cna":{"title":"Forminator <= 1.27.0 - Authenticated (Administrator+) Arbitrary File Upload","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"wpmudev","product":"Forminator Forms – Contact Form, Payment Form & Custom Form Builder","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.27.0","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/13cfa202-ab90-46c0-ab53-00995bfdcaa3?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/forminator/tags/1.27.0/library/fields/upload.php#L356"},{"url":"https://plugins.trac.wordpress.org/browser/forminator/tags/1.27.0/library/fields/upload.php#L372"},{"url":"https://plugins.trac.wordpress.org/changeset/2995007/forminator/trunk/library/helpers/helper-fields.php#file0"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":6.6,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","lang":"en","description":"CWE-434 Unrestricted Upload of File with Dangerous Type","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T16:36:41.971Z"},"credits":[{"lang":"en","type":"finder","value":"István Márton"}],"timeline":[{"time":"2023-10-24T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2023-10-26T00:00:00.000Z","lang":"en","value":"Vendor Notified"},{"time":"2023-11-14T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/13cfa202-ab90-46c0-ab53-00995bfdcaa3?source=cve","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/browser/forminator/tags/1.27.0/library/fields/upload.php#L356","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/browser/forminator/tags/1.27.0/library/fields/upload.php#L372","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/changeset/2995007/forminator/trunk/library/helpers/helper-fields.php#file0","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T08:21:17.396Z"}}]}}}