CVE-2024-6296: Bfintal Stackable – Page Builder Gutenberg Blocks

Medium severity, CVSS 6.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The Stackable – Page Builder Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘data-caption’ parameter in all versions up to, and including, 3.13.1 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 products

• Bfintal Stackable – Page Builder Gutenberg Blocks: up to and including 3.13.1

Published 2024-06-28. Last modified 2026-06-17.