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CVE-2026-119183

HIGH 7.2 CVSS 3.1
Published
November 7, 2026
Last modified
November 7, 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 JetFormBuilder — Dynamic Blocks Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '<form field mapped to a post meta key, e.g. lst_cost>' parameter in all versions up to, and including, 3.6.8 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. Exploitation requires the target site to have configured a public Insert Post form writing to a post meta key and a Calculated Field whose formula references that key via the %META::key% macro, after which a single unauthenticated POST is sufficient to persist the payload.

Affected WordPress components

  • JetFormBuilder — Dynamic Blocks Form Builder Plugin · jetformbuilder
    Confirmed match Active
    Up to and including 3.6.8
    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 3.6.8

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.7/includes/blocks/render/calculated-field-render.php#L56
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.7/modules/actions-v2/insert-post/insert-post-action.php#L53
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.7/modules/actions-v2/insert-post/properties/post-meta-property.php#L157
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.7/templates/fields/calculated-field.php#L31
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3788241/jetformbuilder/trunk/includes/blocks/render/calculated-field-render.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/3b3d2e0d-ce2a-48cd-a36f-92979335fd71?source=cve
  • nvd.nist.gov Official NVD record