CVE-2025-12718

MediumCVSS 5.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Jan 17, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

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