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CVE-2026-92144

HIGH 7.2 CVSS 3.1
Published
October 1, 2026
Last modified
October 1, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'postdata-1[post-custom]' Parameter in all versions up to, and including, 1.57.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The required form submission nonce is freely obtainable by unauthenticated users via the publicly accessible wp_ajax_nopriv_forminator_get_nonce endpoint, making the full attack chain exploitable without any authentication or prior account.

Affected WordPress components

  • Forminator Forms – Contact Form, Payment Form & Custom Form Builder Plugin · forminator
    Confirmed match Active
    Up to and including 1.57.2
    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

  • wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder — Up to and including 1.57.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/abstracts/abstract-class-front-action.php#L127
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/abstracts/abstract-class-front-action.php#L973
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/class-core.php#L690
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/class-core.php#L756
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/fields/postdata.php#L1012
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/modules/custom-forms/front/front-action.php#L3528
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3700690/forminator/trunk/library/abstracts/abstract-class-front-action.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3700709%40forminator%2Ftags%2F1.57.2.1&old=3668424%40forminator%2Ftags%2F1.57.2
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/f6f320d2-fd24-47b5-804d-31e3afdc31ba?source=cve
  • nvd.nist.gov Official NVD record