What is the CVSS score of CVE-2023-6827?

CVE-2023-6827 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 9.6%.

Is there a patch available for CVE-2023-6827?

Yes, a patch is available for CVE-2023-6827. Update the affected software to the latest version immediately.

Essential Real Estate CVE-2023-6827

HIGH

Unrestricted Upload of File with Dangerous Type (CWE-434)

2023-12-15 security@wordfence.com

WordPress File Upload RCE Essential Real Estate

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Patch released

Apr 08, 2026 - 18:22 nvd

Patch available

CVE Published

Dec 15, 2023 - 08:15 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

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,. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. This Unrestricted File Upload vulnerability could allow attackers to upload malicious files that can be executed on the server.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. 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. Affected products include: G5Plus Essential Real Estate.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.