CVE-2026-89101: medium-severity vulnerability in wpeverest Everest Forms – Contact Form…
Everest Forms <= 3.6.2 - Insecure Direct Object Reference to Authenticated (Custom+) Arbitrary Entry/Form Disclosure and Deletion via MCP /tools/call JSON-RPC Endpoint
Published
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.4%
The Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.6.2 via the get_entry due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with custom-level access and above, to view, read, and permanently delete forms and entries belonging to any other user — including personally identifiable information submitted through public contact and lead forms — regardless of form ownership.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
wpeverest · Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AIRelated CVEs — wpeverest Everest Forms – Contact Form…
In the same product, most dangerous first.
CVE-2026-91153MEDIUMEverest Forms <= 3.6.2 - Unauthenticated Sensitive Information Exposure via Smart-Tag Injection in Smart-Tag Injection in Form Field Values ({post_meta key=...})EPSS 0.6%CVE-2026-13167MEDIUMEverest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI <= 3.5.2 - Missing Authorization to Authenticated (Delegated+) Arbitrary Plugin Activation via REST API and AJAX EndpointsEPSS 0.5%CVE-2026-5096MEDIUMEverest Forms <= 3.4.4 - Unauthenticated Server-Side Request Forgery via Upload Field 'Previous Value'EPSS 0.4%CVE-2026-91152MEDIUMEverest Forms <= 3.6.2 - Reflected Cross-Site Scripting via 'evf_toast_type' ParameterEPSS 0.3%
References
https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L22https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L30https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L34https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L46https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L563https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L62https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L669https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-handlers.php#L686https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-abilities-registry.php#L74https://plugins.trac.wordpress.org/browser/everest-forms/tags/3.6.1/includes/abilities/class-evf-mcp-server.php#L52https://plugins.trac.wordpress.org/changeset/3704878/everest-forms/trunk/includes/abilities/class-evf-abilities-handlers.phphttps://www.wordfence.com/threat-intel/vulnerabilities/id/1fabe52a-b51e-4383-ac88-8f30e083c9bb?source=cve