CVE-2023-6635 json
EditorsKit <= 1.40.3 - Authenticated (Administrator+) Arbitrary File Upload
published 2024-02-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58858
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- munirkamal Gutenberg Block Editor Toolkit – EditorsKit
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset/3010794/block-options
patch
-
wordfence.com
/threat-intel/vulnerabilities/id/4528f9a1-7027-4aa9-b006-bea84aa19c84?source=cve
third-party-advisory
-
plugins.trac.wordpress.org
/browser/block-options/tags/1.40.3/includes/addons/styles-manager/rest-api/gutenberghub-styles-import-export-c
issue-tracking
Sources
- CVE List CVE-2023-6635
- NVD CVE-2023-6635
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.