CVE-2024-4400: Boldgrid Post And Page Builder

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The Post and Page Builder by BoldGrid – Visual Drag and Drop Editor plguin for WordPress is vulnerable to Stored Cross-Site Scripting via an unknown parameter in versions up to, and including, 1.26.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Boldgrid Post And Page Builder: before 1.26.5 (fixed in 1.26.5)

Published 2024-05-16. Last modified 2026-06-17.