CVE-2023-6827

HIGH

Essential Real Estate < 4.3.5 - Authenticated Arbitrary File Upload via ajaxUploadFonts Function

Title source: llm

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.

References (3)

Core 3

Core References

Product

https://plugins.trac.wordpress.org/browser/essential-real-estate/tags/4.3.5/lib/smart-framework/core/fonts/fonts.class.php#L524

Patch

https://plugins.trac.wordpress.org/changeset/3009780/essential-real-estate

Third Party Advisory

https://www.wordfence.com/threat-intel/vulnerabilities/id/8bb2ce22-077b-41dd-a2ff-cc1db9d20d38?source=cve

Scores

CVSS v3 7.5

EPSS 0.0126

EPSS Percentile 66.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-434

Status published

Products (2)

g5plus/essential_real_estate < 4.3.5

g5theme/Essential Real Estate < 4.3.5

Published Dec 15, 2023

Tracked Since Feb 18, 2026