Threat intelligence

Everest 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 Endpoints

CVE-2026-13167 · everest-forms

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Everest Forms at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Everest 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 Endpoints
Affected software: everest-forms(Plugin)
Affected versions: ≤ 3.5.2
Authentication: Authenticated (see advisory title)
Vulnerability type: Other
CVE: CVE-2026-13167
Published: 15 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory 6d1ba996-e26c-45cc-ab95-338663f481d9). Methodology and redistribution notes

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