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OpenAdvisories
Medium · 6.4 CVE-2025-12803 EUVD-2025-206897GHSA-563x-8ppc-xc7c

Bold Builder <= 5.5.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via bt_bb_tabs Shortcode

Published Feb 7, 2026 · Updated Apr 8, 2026 · Assigned by Wordfence

Description

The Bold Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin 'bt_bb_tabs' shortcode in all versions up to, and including, 5.5.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

Affected products

VendorProductAffectedFixed
boldthemes Bold Page Builder ≤ 5.5.1 —

References