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CVE-2026-17090

MEDIUM 6.4 CVSS 3.1
Published
August 15, 2026
Last modified
August 20, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The Beaver Builder Page Builder – Drag and Drop Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Button Module 'button' (Button Code) Setting in all versions up to, and including, 2.10.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Beaver Builder grants editor access to any WordPress role holding the edit_posts capability by default, meaning Author-level users and above can exploit this vulnerability.

Affected WordPress components

  • Beaver Builder Page Builder – Drag and Drop Website Builder Plugin · beaver-builder-lite-version
    Confirmed match Active
    Up to and including 2.10.2.2
    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

  • beaverbuilder Beaver Builder Page Builder – Drag and Drop Website Builder — Up to and including 2.10.2.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beaver-builder-lite-version/tags/2.10.1.5/classes/class-fl-builder-model.php#L4659
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beaver-builder-lite-version/tags/2.10.1.5/modules/button/button.php#L341
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beaver-builder-lite-version/tags/2.10.1.5/modules/button/includes/frontend.js.php#L8
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beaver-builder-lite-version/tags/2.10.2.2/classes/class-fl-builder-model.php#L4659
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beaver-builder-lite-version/tags/2.10.2.2/modules/button/button.php#L341
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beaver-builder-lite-version/tags/2.10.2.2/modules/button/includes/frontend.js.php#L8
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/beaver-builder-lite-version/trunk/modules/button/includes/frontend.js.php#L8
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3645274%40beaver-builder-lite-version&new=3645274%40beaver-builder-lite-version
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/0abbdf2c-b1f8-4431-b892-1d7972749af6?source=cve
  • nvd.nist.gov Official NVD record