Livemesh Addons for Beaver Builder, CVE-2026-2029

CVE, Research URL: CVE-2026-2029
Home page URL: Security reports for Livemesh Addons for Beaver Builder
Application: Livemesh Addons for Beaver Builder
Published on: Feb 26, 2026
Research Description: The Livemesh Addons for Beaver Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `[labb_pricing_item]` shortcode's `title` and `value` attributes in all versions up to, and including, 3.9.2 due to insufficient input sanitization and output escaping. Specifically, the plugin uses `htmlspecialchars_decode()` after `wp_kses_post()`, which decodes HTML entities back into executable code after sanitization has occurred. 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 versions: max 3.9.2.
Status: vulnerable