CVE-2026-18594 Missing authorization in Advanced Contact form 7 DB

Medium 4.3 Published Updated

Authenticated attackers with custom-level access can import forged CSV records into Contact Form 7 forms due to missing authorization checks.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-18594?

CVE-2026-18594 is a medium-severity missing authorization vulnerability in vsourz1td Advanced Contact form 7 DB, published on 10 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Advanced Contact form 7 DB plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.1.3. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with custom-level access and above, to import forged CSV submission records into any Contact Form 7 form managed by the plugin.

Weakness: CWE-862

Which versions are affected by CVE-2026-18594?

How do I fix CVE-2026-18594?

No fix has been published for CVE-2026-18594 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-18594 being exploited?

There is no known exploitation of CVE-2026-18594 in the wild and no public exploit code.

Sources

Also known as GHSA-3x6q-4q9w-c7h4.

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