CVE-2026-123670
Essential Real Estate 5.3.5 - Customer+ Email Relay Allowlist Poisoning
Description
The Essential Real Estate WordPress plugin before 5.3.6 does not verify that the recipients it allows for its contact email action are legitimate, allowing users with the self-registered Customer role to add any address to that allowlist so that unauthenticated users can then send emails with attacker-controlled content to it through the site.
INFO
Published Date :
Nov. 13, 2026, 6:16 a.m.
Last Modified :
Nov. 13, 2026, 6:16 a.m.
Remotely Exploit :
No
Source :
[email protected]
Solution
- Update the Essential Real Estate WordPress plugin to 5.3.6.
- Verify user roles and permissions carefully.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-123670.
| URL | Resource |
|---|---|
| https://wpscan.com/vulnerability/04d772fe-001d-4f25-a11a-dedf16064ce4/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-123670 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-123670
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-123670 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-123670 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Nov. 13, 2026
Action Type Old Value New Value Added Description The Essential Real Estate WordPress plugin before 5.3.6 does not verify that the recipients it allows for its contact email action are legitimate, allowing users with the self-registered Customer role to add any address to that allowlist so that unauthenticated users can then send emails with attacker-controlled content to it through the site. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/123xxx/CVE-2026-123670.json">CVE-2026-123670</a> Added Reference https://wpscan.com/vulnerability/04d772fe-001d-4f25-a11a-dedf16064ce4/