CVE-2024-2039: 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 Post(v2) block title tag in all versions up to, and including, 3.12.11 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions 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 3.12.11

Published 2024-04-09. Last modified 2026-06-17.