CVE-2023-6140: essential real File Upload RCE — Exploit

Description

The Essential Real Estate WordPress plugin before 4.4.0 does not prevent users with limited privileges on the site, like subscribers, from momentarily uploading malicious PHP files disguised as ZIP archives, which may lead to remote code execution.

Is your site exposed to CVE-2023-6140?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
g5plus	essential_real_estate	< 4.4.0

References

Exploits

https://wpscan.com/vulnerability/c837eaf3-fafd-45a2-8f5e-03afb28a765b https://wpscan.com/vulnerability/c837eaf3-fafd-45a2-8f5e-03afb28a765b

Frequently Asked Questions

What is CVE-2023-6140? +

The Essential Real Estate WordPress plugin before 4.4.0 does not prevent users with limited privileges on the site, like subscribers, from momentarily uploading malicious PHP files disguised as ZIP archives, which may lead to remote code execution. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-6140? +

CVE-2023-6140 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-6140? +

CVE-2023-6140 affects products from g5plus, specifically: essential_real_estate. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6140? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-3219

pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a …

CVE-2026-60032

Joomla Extension - themexpert.com - Authenticated arbitrary file upload in JMedia < 1.6.0 - The Joomla extension JMedia is vulnerable …

CVE-2024-43662

The <redacted>.exe or <redacted>.exe CGI binary can be used to upload arbitrary files to /tmp/upload/ or /tmp/ respectively as any …

CVE-2026-41517

Emlog is an open source website building system. Prior to version 2.6.11, insecure plugin upload functionality allows attackers to upload …

CVE-2026-5482

Responsive FileManager's allows an unauthenticated attacker to upload files of any type and extension without restriction using dialog.php endpoint, leading …

CVE-2026-34027

The Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains insufficient server-side file type validation in the /safe/contract/uploadcustomdocuments endpoint. The application validates uploaded …

CVE-2023-6140