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CVE-2026-92212

MEDIUM 6.1 CVSS 3.1
Published
September 25, 2026
Last modified
September 25, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The JetFormBuilder — Dynamic Blocks Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'jfb_xss' (URL Query Variable) Parameter via Calculated Field in all versions up to, and including, 3.6.5.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Exploitation requires the targeted page to host a form configured with both a URL Query Variable preset field and a Calculated Field that references it, which are standard plugin features.

Affected WordPress components

  • JetFormBuilder — Dynamic Blocks Form Builder Plugin · jetformbuilder
    Confirmed match Active
    Up to and including 3.6.5.3
    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

  • jetmonsters JetFormBuilder — Dynamic Blocks Form Builder — Up to and including 3.6.5.3

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.5.3/assets/build/frontend/main.js
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.5.3/includes/blocks/render/calculated-field-render.php#L42
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.5.3/includes/presets/sources/preset-source-query-var.php#L21
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.5.3/templates/fields/calculated-field.php#L31
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3707612%40jetformbuilder&new=3707612%40jetformbuilder
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/37a72530-35d0-4fe8-82c6-50c87f61e731?source=cve
  • nvd.nist.gov Official NVD record