Mail Relay Vulnerability in Estatik Real Estate Plugin for WordPress
CVE-2026-14547

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Estatik Real Estate Plugin
Vendor
CVE Published:
6 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14547?

The Estatik Real Estate Plugin for WordPress versions before 4.3.3 is susceptible to an improper input validation vulnerability that bypasses its anti-spam mechanisms. This flaw enables unauthenticated users to exploit the property request form by sending emails to any specified recipient, along with arbitrary subject lines and body text. As a result, malicious actors can use this loophole to relay spam or phishing emails directly through the site, posing serious risks to users and the integrity of the website.

Affected Version(s)

Estatik Real Estate Plugin 0 < 4.3.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-14547 - Proof of Concept

References

https://wpscan.com/vulnerability/5c208be8-57db-4f74-8030-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pedro Pinho
WPScan
.