What’s Vulnerable › Vulnerabilities

CVE-2024-4057: Gutenberg Blocks by Kadence Blocks < 3.2.37 - Contributor+ Stored XSS

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-06-04 · updated 2026-06-17
• Weakness: CWE-79

Description

The Gutenberg Blocks with AI by Kadence WP WordPress plugin before 3.2.37 does not validate and escape some of its block attributes before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Affected products

• stellarwp Kadence Blocks — Page Builder Toolkit for Gutenberg Editor: before 3.2.27 — fixed in 3.2.27

How to fix

Upgrade to a fixed version: stellarwp Kadence Blocks — Page Builder Toolkit for Gutenberg Editor 3.2.27. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/da4d4d87-07b3-4f7d-bcbd-d29968a30b4f/
• https://wpscan.com/vulnerability/da4d4d87-07b3-4f7d-bcbd-d29968a30b4f/

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