Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder: A security weakness
Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder is affected by a security weakness. Exploitation requires at least subscriber-level access. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is <= 3.4.7.
- Component
- Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder
- Plugin slug
everest-forms- Affected
- <= 3.4.7
- Safe version
> 3.4.7- Published
- May 28, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published May 28, 2026 and is one of 21 known issues for this plugin.
Update, patch or deactivate.
Update Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder to a release after 3.4.7, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder plugin for WordPress is vulnerable to unauthorized email sending due to a missing capability check on the send_test_email() function in all versions up to, and including, 3.4.7. This makes it possible for authenticated attackers, with Subscriber-level access and above, to send test emails to arbitrary addresses from the server.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N