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CVE-2026-15407

MEDIUM 4.3 CVSS 3.1
Published
July 16, 2026
Last modified
July 18, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Description

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.

Affected WordPress components

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

  • themifyme Themify Builder — Up to and including 7.7.7

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.5/classes/class-themify-builder-stylesheet.php#L160
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.5/classes/class-themify-builder-stylesheet.php#L17
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.5/classes/class-themify-builder-stylesheet.php#L313
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.5/classes/class-themify-builder-stylesheet.php#L69
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.7/classes/class-themify-builder-stylesheet.php#L160
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.7/classes/class-themify-builder-stylesheet.php#L17
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.7/classes/class-themify-builder-stylesheet.php#L313
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.7.7/classes/class-themify-builder-stylesheet.php#L69
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3607906%40themify-builder&new=3607906%40themify-builder
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/b59e2773-31f0-4c19-b066-30982761bc44?source=cve
  • nvd.nist.gov Official NVD record