EUVD-2026-59862
GHSA-g2qc-vm5h-cg28
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Network exploitation requires a low-privilege authenticated account with a delegated EVF role (PR:L); scope unchanged and no confidentiality or availability impact from plugin activation alone.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The Everest Forms - Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.5.2. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with delegated form management access and above, to activate arbitrary already-installed WordPress plugins - including previously deactivated or vulnerable plugins - without holding the core activate_plugins capability. Exploitation requires the target user to hold a delegated Everest Forms capability (manage_everest_forms, everest_forms_create_forms, or everest_forms_view_forms), which the plugin's own roles and permissions tool allows administrators to assign to non-administrator roles such as Author; the nonces required to exploit the AJAX handlers are emitted on EVF admin pages accessible to any such delegated user.
AnalysisAI
Authorization bypass in the Everest Forms WordPress plugin (all versions ≤ 3.5.2) allows authenticated attackers holding any delegated Everest Forms capability to activate arbitrary already-installed WordPress plugins - including previously deactivated or known-vulnerable ones - without the WordPress core activate_plugins capability. The flaw exists in AJAX handlers (class-evf-ajax.php) and REST API endpoints (class-evf-modules.php) that issue nonces to any delegated EVF user on admin pages but fail to enforce the required core capability before executing plugin activation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated WordPress account that has been explicitly assigned at least one of three delegated Everest Forms capabilities: `manage_everest_forms`, `everest_forms_create_forms`, or `everest_forms_view_forms`. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.3 base score (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N) accurately reflects the direct, isolated impact of this flaw: low-complexity network exploitation by a low-privilege authenticated user with limited integrity impact and no scope change attributed to the base vulnerability itself. … 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 | Update the Everest Forms plugin to a version above 3.5.2 - the upstream fix is confirmed in WordPress SVN changeset 3634069 (https://plugins.trac.wordpress.org/changeset?reponame=&old=3634069%40everest-forms&new=3634069%40everest-forms); verify the WordPress.org plugin repository for the exact released patched version number, as this was not stated in the available data. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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