Essential Real Estate <= 4.3.5 - Authenticated (Subscriber+) Arbitrary File Upload
Vulnerability Description
The Essential Real Estate plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation on the 'ajaxUploadFonts' function in versions up to, and including, 4.3.5. This makes it possible for authenticated attackers with subscriber-level capabilities or above, to upload arbitrary files on the affected site's server which may make remote code execution possible. CVE-2023-6140 appears to be a duplicate of this issue.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-6827
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- István Márton
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/8bb2ce22-077b-41dd-a2ff-cc1db9d20d38?source=cve
- https://plugins.trac.wordpress.org/browser/essential-real-estate/tags/4.3.5/lib/smart-framework/core/fonts/fonts.class.php#L524
- https://plugins.trac.wordpress.org/changeset/3009780/essential-real-estate
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