CVE-2026-18946 Contact Form to Any API < 3.0.7 - Unauthenticated Sensitive File Disclosure via Predictable Filename

High 7.5 Published Updated

Unauthenticated attackers can download sensitive files submitted by other users due to predictable filenames in the Contact Form to Any API plugin.

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-2026-18946?

CVE-2026-18946 is a high-severity vulnerability in Unknown Contact Form to Any API, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Contact Form to Any API WordPress plugin before 3.0.7 does not use a random filename when copying files uploaded through contact forms into a publicly accessible directory, allowing unauthenticated attackers to enumerate and download files submitted by other users.

Weakness: CWE-200

Which versions are affected by CVE-2026-18946?

How do I fix CVE-2026-18946?

No fix has been published for CVE-2026-18946 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-18946 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18946 exists.

Sources

Also known as GHSA-qp64-vw92-jr32.

Is CVE-2026-18946 in your software?

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