{"id":"CVE-2023-6635","state":"PUBLISHED","title":"EditorsKit <= 1.40.3 - Authenticated (Administrator+) Arbitrary File Upload","description":"The EditorsKit plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation on the 'import_styles' function in versions up to, and including, 1.40.3. This makes it possible for authenticated attackers with administrator-level capabilities or above, to upload arbitrary files on the affected site's server which may make remote code execution possible.","publishedAt":"2024-02-05T21:21:42.520Z","updatedAt":"2026-04-08T16:49:31.407Z","severity":{"score":7.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","source":"Wordfence"},"assigner":"Wordfence","products":["munirkamal Gutenberg Block Editor Toolkit – EditorsKit"],"affected":[{"vendor":"munirkamal","product":"Gutenberg Block Editor Toolkit – EditorsKit","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.40.3","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/4528f9a1-7027-4aa9-b006-bea84aa19c84?source=cve","https://plugins.trac.wordpress.org/browser/block-options/tags/1.40.3/includes/addons/styles-manager/rest-api/gutenberghub-styles-import-export-controller.php#L100","https://plugins.trac.wordpress.org/changeset/3010794/block-options"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/6xxx/CVE-2023-6635.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-6635","state":"PUBLISHED","datePublished":"2024-02-05T21:21:42.520Z","dateUpdated":"2026-04-08T16:49:31.407Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2023-12-08T19:39:29.662Z"},"containers":{"cna":{"title":"EditorsKit <= 1.40.3 - Authenticated (Administrator+) Arbitrary File Upload","descriptions":[{"lang":"en","value":"The EditorsKit plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation on the 'import_styles' function in versions up to, and including, 1.40.3. This makes it possible for authenticated attackers with administrator-level capabilities or above, to upload arbitrary files on the affected site's server which may make remote code execution possible."}],"affected":[{"vendor":"munirkamal","product":"Gutenberg Block Editor Toolkit – EditorsKit","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.40.3","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/4528f9a1-7027-4aa9-b006-bea84aa19c84?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/block-options/tags/1.40.3/includes/addons/styles-manager/rest-api/gutenberghub-styles-import-export-controller.php#L100"},{"url":"https://plugins.trac.wordpress.org/changeset/3010794/block-options"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH"}}],"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":"2026-04-08T16:49:31.407Z"},"credits":[{"lang":"en","type":"finder","value":"István Márton"}],"timeline":[{"time":"2023-12-08T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2023-12-08T00:00:00.000Z","lang":"en","value":"Vendor Notified"},{"time":"2023-12-16T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/4528f9a1-7027-4aa9-b006-bea84aa19c84?source=cve","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/browser/block-options/tags/1.40.3/includes/addons/styles-manager/rest-api/gutenberghub-styles-import-export-controller.php#L100","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/changeset/3010794/block-options","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T08:35:14.917Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-08T15:46:08.003490Z","id":"CVE-2023-6635","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","type":"CWE","lang":"en","description":"CWE-434 Unrestricted Upload of File with Dangerous Type"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-15T19:46:29.611Z"}}]}}}