CVE Watch28 ago 2026

CVE-2026-5096

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

CVSS

5.3

Medio

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 28 ago 2026 · Última mod.: 28 ago 2026 · CWE-918

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

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.

Referencias oficiales

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