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CVE-2026-18323

HIGH 7.2 CVSS 3.1
Published
August 25, 2026
Last modified
August 26, 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 Radio Field (Save and Continue Draft) in all versions up to, and including, 1.57.0.2 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. This is exploitable because the Save-and-Continue draft submission AJAX endpoint is registered as nopriv, allowing unauthenticated attackers to bypass radio field option-membership validation and persist a crafted payload that, when rendered on the Submissions admin page, is auto-executed via the bundled Inputmask library's data-attribute callback binding.

Affected WordPress components

  • Forminator Forms – Contact Form, Payment Form & Custom Form Builder Plugin · forminator
    Confirmed match Active
    Up to and including 1.57.0.2
    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 1.57.0.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.55.1/admin/views/custom-form/entries/content-details.php#L232
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.55.1/library/abstracts/abstract-class-front-action.php#L127
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.55.1/library/fields/radio.php#L520
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.55.1/library/helpers/helper-fields.php#L1053
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.55.1/library/modules/custom-forms/front/front-action.php#L1112
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.56.0/admin/views/custom-form/entries/content-details.php#L232
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.56.0/library/abstracts/abstract-class-front-action.php#L127
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.56.0/library/fields/radio.php#L520
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.56.0/library/helpers/helper-fields.php#L1053
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/forminator/tags/1.56.0/library/modules/custom-forms/front/front-action.php#L1112
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3652725/forminator/trunk/admin/views/custom-form/entries/content-details.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old_path=%2Fforminator/tags/1.57.0.2&new_path=%2Fforminator/tags/1.57.0.3
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3652727%40forminator%2Ftags%2F1.57.0.3&old=3652717%40forminator%2Ftags%2F1.57.0.2
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/85b02779-d85f-4700-9994-68391e69c1ea?source=cve
  • nvd.nist.gov Official NVD record