🔐 CVE Alert

CVE-2025-5286

MEDIUM 6.4

Bold Builder <= 5.3.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via additional_settings Parameter

CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th

The Bold Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘additional_settings’ parameter in all versions up to, and including, 5.3.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE CWE-79
Vendor boldthemes
Product bold page builder
Published May 29, 2025
Last Updated Apr 8, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

boldthemes / Bold Page Builder
0 ≤ 5.3.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/9ae076e4-ad15-4069-be10-f0f4aced4132?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/bold-page-builder/tags/5.3.6/content_elements/bt_bb_content_slider/bt_bb_content_slider.php#L7 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/bold-page-builder/tags/5.3.6/content_elements/bt_bb_content_slider/bt_bb_content_slider.php#L156 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/bold-page-builder/tags/5.3.6/content_elements/bt_bb_content_slider/bt_bb_content_slider.php#L176 wordpress.org: https://wordpress.org/plugins/bold-page-builder/#developers plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3302452 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/bold-page-builder/tags/5.3.7/content_elements/bt_bb_content_slider/bt_bb_content_slider.php#L156

Credits

Muhammad Yudha - DJ