CVE-2025-12718
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-01-17

Last updated on: 2026-01-17

Assigner: Wordfence

Description
The Quick Contact Form plugin for WordPress is vulnerable to Open Mail Relay in all versions up to, and including, 8.2.6. This is due to the 'qcf_validate_form' AJAX endpoint allowing a user controlled parameter to set the 'from' email address. This makes it possible for unauthenticated attackers to send emails to arbitrary recipients utilizing the server. The information is limited to the contact form submission details.
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Meta Information
Published
2026-01-17
Last Modified
2026-01-17
Generated
2026-06-16
AI Q&A
2026-01-18
EPSS Evaluated
2026-06-15
NVD
CVE-2025-12718
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
unknown_vendor quick_contact_form to 8.2.6 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
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Executive Summary

The Quick Contact Form plugin for WordPress has a vulnerability called Open Mail Relay in versions up to 8.2.6. This happens because the 'qcf_validate_form' AJAX endpoint allows an attacker to control the 'from' email address parameter. As a result, unauthenticated attackers can send emails to arbitrary recipients using the server, exploiting the contact form submission details.

Impact Analysis

This vulnerability allows unauthenticated attackers to send emails from your server to arbitrary recipients, potentially leading to your server being used for spam or phishing attacks. This misuse can damage your server's reputation, cause blacklisting of your email server, and may lead to increased security risks or operational issues.

Mitigation Strategies

Update the Quick Contact Form WordPress plugin to version 8.2.7 or later, which includes security enhancements that sanitize the email input to prevent exploitation of the Open Mail Relay vulnerability. [1]

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