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CVE-2026-87067

HIGH 8.5 CVSS 3.1
Published
September 20, 2026
Last modified
September 21, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-94
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Description

The Forminator Forms WordPress plugin before 1.57.2.1 does not restrict which classes may be instantiated when it deserialises a value taken from an XML-RPC request, allowing users who hold its forms-management permission to write a file of their choosing and execute arbitrary code. That permission belongs to an administrator by default, and to any role the site has granted it through the Forminator Forms WordPress plugin before 1.57.2.1's own settings, so the issue is reachable well below administrator on sites that use that feature.

Affected WordPress components

  • Forminator Forms – Contact Form, Payment Form & Custom Form Builder Plugin · forminator
    Confirmed match Active
    From 1.57.0.7 (including) to 1.57.2.1 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Forminator Forms — From 1.57.0.7 (including) to 1.57.2.1 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/9f5da02e-55af-463f-8b1a-9fe792d589c4/
  • nvd.nist.gov Official NVD record