Email Injection Vulnerability in Essential Real Estate WordPress Plugin by Essential Themes
CVE-2026-123670

Currently unrated

Key Information:

Vendor

WordPress

Vendor
CVE Published:
13 November 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-123670?

The Essential Real Estate WordPress plugin versions prior to 5.3.6 lacks adequate validation for the recipients of its contact email functionality. This flaw allows users with a self-registered Customer role to add any email address to a whitelist, enabling unauthorized users to send emails containing potentially harmful content through the site's email system. By exploiting this vulnerability, attackers can manipulate contact forms to facilitate spam or phishing attempts.

Affected Version(s)

Essential Real Estate 5.3.5 < 5.3.6

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.

References

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Aabideen Bangash
WPScan
.