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.
CVE-2025-12803 is a medium severity with CVSS 6.4 Stored Cross-Site Scripting issue affecting the Plugin Bold Page Builder. It affects Versions up to 5.5.1 and is listed without a confirmed patched release.
Use the related hub and response guides to connect this CVE-2025-12803 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2025-12803 is tracked for the Plugin Bold Page Builder as medium severity with CVSS 6.4. The affected range is Versions up to 5.5.1. No fixed release is listed in this feed entry, so operators should monitor the vendor and reference links before accepting the risk.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
No patched version is listed, so the record is useful mainly for monitoring and risk acceptance decisions.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 5.5.1.
Monitor vendor advisories because this Stored Cross-Site Scripting issue has no fixed release listed here.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
bold-page-builder
View on wordpress.org
|
| CVE | CVE-2025-12803 |
| Patched Versions |
No patched versions published.
|
| Affected Versions |
Versions up to 5.5.1
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Bold Page Builder <= 3.1.5 - PHP Object Injection
Bold Page Builder <= 2.3.1 - Missing Authorization to Settings Update
Bold Page Builder <= 5.6.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via bt_bb_button Shortcode
Bold Page Builder <= 5.4.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Bold Page Builder <= 5.5.3 - Authenticated (Author+) Stored DOM-based Cross-Site Scripting in Post Grid
Bold Page Builder <= 5.5.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via bt_bb_accordion_item Shortcode
Bold Page Builder <= 5.6.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
Bold Page Builder <= 5.5.2 - Authenticated (Contributor+) Stored Cross-Site Scripting
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