CVE-2026-90964
Received Received - Intake

Unauthenticated Email Spoofing in Essential Real Estate WordPress Plugin

Publication date: 2026-11-05

Last updated on: 2026-11-05

Assigner: WPScan

Description
The Essential Real Estate WordPress plugin before 5.3.5 does not restrict the recipient of one of its contact email actions, allowing unauthenticated users to send emails to arbitrary addresses with an attacker-controlled sender header and message body through the site.

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Meta Information

Published
2026-11-05
Last Modified
2026-11-05
Generated
2026-11-05
AI Q&A
2026-11-05
EPSS Evaluated
N/A
NVD
CVE-2026-90964
EUVD
EUVD-2026-117344

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Unknown Essential Real Estate 0

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability in the Essential Real Estate WordPress plugin before version 5.3.5 allows unauthenticated users to send emails to any recipient. The flaw occurs because the plugin does not restrict who can use the contact email action, enabling attackers to manipulate the sender header and message body.

Detection Guidance

Check the installed version of the Essential Real Estate WordPress plugin. If it is below 5.3.5, the system is vulnerable. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files directly.

Impact Analysis

An attacker could exploit this to send phishing emails or spam from your website, potentially damaging your reputation. It may also allow unauthorized communication to recipients, posing risks of misinformation or fraud.

Compliance Impact

This vulnerability could lead to unauthorized data processing or communication, violating GDPR principles like data protection by default. For HIPAA, it may risk unauthorized disclosure of protected health information if emails contain sensitive data.

Mitigation Strategies

Update the Essential Real Estate plugin to version 5.3.5 or later immediately. If updating is not possible, consider disabling the plugin temporarily until an update is applied.

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