Page Builder: Live Composer, CVE-2026-16787

CVE, Research URL: CVE-2026-16787
Home page URL: Security reports for Page Builder: Live Composer
Application: Page Builder: Live Composer
Published on: Sep 01, 2026
Research Description: The Live Composer – Free WordPress Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'dslc_custom_field' Shortcode in all versions up to, and including, 2.1.19 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.
Affected versions: max 2.1.20.
Status: vulnerable