CVE-2023-6635
EditorsKit <= 1.40.3 - Authenticated (Administrator+) Arbitrary File Upload
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-434 |
| Vendor | munirkamal |
| Product | gutenberg block editor toolkit – editorskit |
| Published | Feb 5, 2024 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/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
munirkamal / Gutenberg Block Editor Toolkit – EditorsKit
0 ≤ 1.40.3
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/4528f9a1-7027-4aa9-b006-bea84aa19c84?source=cve plugins.trac.wordpress.org: 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 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3010794/block-options
Credits
István Márton