Skip to main content

Essential Real Estate CVE-2023-6827

HIGH
Unrestricted Upload of File with Dangerous Type (CWE-434)
2023-12-15 security@wordfence.com
7.5
CVSS 3.1 · NVD
Share

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

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
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.

CVE-2023-6140 HIGH POC
8.8 Jan 08

The Essential Real Estate WordPress plugin before 4.4.0 does not prevent users with limited privileges on the site, like

CVE-2023-6139 MEDIUM POC
6.5 Jan 08

The Essential Real Estate WordPress plugin before 4.4.0 does not apply proper capability checks on its AJAX actions, whi

CVE-2023-6141 MEDIUM POC
5.4 Jan 08

The Essential Real Estate WordPress plugin before 4.4.0 does not apply proper capability checks on its AJAX actions, whi

CVE-2022-3933 MEDIUM POC
5.4 Dec 12

The Essential Real Estate WordPress plugin before 3.9.6 does not sanitize and escapes some parameters, which could allow

CVE-2026-32465 HIGH
8.8 Aug 18

PHP Object Injection in the Essential Real Estate WordPress plugin (≤ 5.3.3) by g5theme allows low-privileged authentica

CVE-2025-30849 HIGH
8.1 Apr 01

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in

CVE-2025-48126 HIGH
8.1 Jun 09

PHP Local File Inclusion (LFI) vulnerability in g5theme Essential Real Estate plugin versions through 5.2.1, allowing un

CVE-2024-4273 MEDIUM
6.4 Jun 04

The Essential Real Estate plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ere_proper

CVE-2024-4274 MEDIUM
4.3 Jun 04

The Essential Real Estate plugin for WordPress is vulnerable to unauthorized loss of data due to insufficient validation

CVE-2025-24698 MEDIUM
4.3 Jan 24

Cross-Site Request Forgery (CSRF) vulnerability in G5Theme Essential Real Estate allows Cross Site Request Forgery.1.8.

CVE-2024-12329 MEDIUM
4.3 Dec 12

The Essential Real Estate plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability

Share

CVE-2023-6827 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy