EUVD-2026-67710
GHSA-rwq5-pm7m-r7pm
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Network-reachable unauthenticated form submission with no user interaction; HEAD-only SSRF constrains confidentiality to host discovery with no integrity or availability impact and unchanged scope.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Server-Side Request Forgery in the Everest Forms WordPress plugin (all versions up to and including 3.4.4) enables unauthenticated remote attackers to force the WordPress server to issue arbitrary outbound HTTP HEAD requests to attacker-controlled URLs. The flaw resides in the plugin's upload field handling: when a form submission triggers re-rendering due to a missing required field, unsanitized POST-supplied URLs are passed directly to WordPress's wp_remote_head() without any domain restriction. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a publicly accessible WordPress form built with Everest Forms version 3.4.4 or earlier that contains at least one upload field type and at least one required non-upload field. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 5.3 (Medium) with vector AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N accurately captures an unauthenticated, low-complexity network attack path with limited confidentiality impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Site administrators should update Everest Forms to the version that incorporates or supersedes WordPress plugin repository changeset 3507814 (https://plugins.trac.wordpress.org/changeset/3507814/) by applying the plugin update via the WordPress admin dashboard or WP-CLI; the specific patched release version number is not confirmed in the available data, so administrators should verify the changelog after updating. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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