---
id: CVE-2026-15407
title: >-
  The Themify Builder plugin for WordPress is vulnerable to authorization bypass
  in all versions up to, and including, 7.7.7
summary: >-
  The Themify Builder plugin for WordPress is vulnerable to authorization bypass
  in all versions up to, and including, 7.7.7. This is due to the plugin not
  properly verifying that a user is authorized to perform an action. This makes
  it po…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-862
published: '2026-07-16'
updated: '2026-07-18'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-15407'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.5/classes/class-themify-builder-stylesheet.php#L160
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.5/classes/class-themify-builder-stylesheet.php#L17
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.5/classes/class-themify-builder-stylesheet.php#L313
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.5/classes/class-themify-builder-stylesheet.php#L69
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.7/classes/class-themify-builder-stylesheet.php#L160
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.7/classes/class-themify-builder-stylesheet.php#L17
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.7/classes/class-themify-builder-stylesheet.php#L313
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.7/classes/class-themify-builder-stylesheet.php#L69
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/changeset?reponame=&old=3607906%40themify-builder&new=3607906%40themify-builder
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/b59e2773-31f0-4c19-b066-30982761bc44?source=cve
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00473
epssPercentile: 0.38283
ingestedAt: '2026-07-18T18:24:14.542Z'
---

## Overview

The Themify Builder plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 7.7.7. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to overwrite or delete the generated CSS stylesheet file of arbitrary posts, including private and draft posts owned by other users, and modify plugin-scoped font options. The required CSRF nonce (tf_nonce) is emitted on public front-end builder pages via wp_localize_script, making it trivially obtainable by any authenticated user visiting such a page.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.