CVE-2025-12718 Quick Contact Form <= 8.2.6 - Unauthenticated Open Mail Relay
Unauthenticated attackers can exploit an open mail relay in the Quick Contact Form plugin to send arbitrary emails via the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-12718?
CVE-2025-12718 is a medium-severity vulnerability in saadiqbal Quick Contact Form, published on 17 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2025-12718?
How do I fix CVE-2025-12718?
No fix has been published for CVE-2025-12718 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-12718 being exploited?
There is no known exploitation of CVE-2025-12718 in the wild and no public exploit code.
Sources
Also known as GHSA-j6cx-84mr-7rr8.