CVE · Medium

CVE-2026-18435 — Kadence Blocks — Page Builder Toolkit for Gutenberg Editor [kadence-blocks] < 3.7.8.1

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2026-18435 Kadence Blocks — Page Builder Toolkit for Gutenberg Editor [kadence-blocks] < 3.7.8.1 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Medium 6.4 < 3.7.8.1 3.7.8.1 2026-07-31

CVE-2026-18435

The Kadence Blocks plugin for WordPress contains a security flaw affecting versions up to 3.7.8. Inadequate validation of certain block attributes allows malicious users with contributor privileges or higher to embed executable code into pages, which can then be triggered by anyone accessing those pages. This vulnerability enables the execution of arbitrary web scripts on affected sites.

Based on public CVE data (MITRE/NVD).

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