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CVE-2026-5096

MEDIUM 5.3 CVSS 3.1
Published
August 28, 2026
Last modified
August 28, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-918
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

The Everest Forms plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.4.4. This is due to the `load_previous_field_value()` method in `class-evf-form-task.php` accepting arbitrary URL values from `$_POST` data for upload fields without domain restriction, which are then passed to `wp_remote_head()` in the `get_local_file_size()` method of `class-evf-form-fields-upload.php`. This makes it possible for unauthenticated attackers to force the WordPress server to make outbound HTTP HEAD requests to arbitrary URLs by submitting a form with an upload field containing a malicious URL while leaving a required field empty to trigger form re-rendering.

Affected WordPress components

  • Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI Plugin · everest-forms
    Confirmed match Active
    Up to and including 3.4.4
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • wpeverest Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI — Up to and including 3.4.4

References