CVE-2023-6635
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.54% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- extendify/editorskit
- Source
- security@wordfence.com
References
- https://plugins.trac.wordpress.org/browser/block-options/tags/1.40.3/includes/addons/styles-manager/rest-api/gutenberghub-styles-import-export-controller.php#L100Issue Tracking
- https://plugins.trac.wordpress.org/changeset/3010794/block-optionsPatch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4528f9a1-7027-4aa9-b006-bea84aa19c84?source=cveThird Party Advisory
- https://plugins.trac.wordpress.org/browser/block-options/tags/1.40.3/includes/addons/styles-manager/rest-api/gutenberghub-styles-import-export-controller.php#L100Issue Tracking
- https://plugins.trac.wordpress.org/changeset/3010794/block-optionsPatch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4528f9a1-7027-4aa9-b006-bea84aa19c84?source=cveThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.