What the vulnerability does
01Description
The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'toggleIcon' Block Attribute in all versions up to, and including, 3.7.8 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.
Explanation of Vulnerability in Simple Terms
02Summary
Kadence Blocks versions 3.7.8 and earlier contain a cross-site scripting vulnerability that allows authenticated users with low privileges to inject malicious scripts. The vulnerability has scope change, meaning injected code can affect other users and site functionality. An attacker needs a WordPress account to exploit this flaw.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that executes in other users' browsers and affects site functionality.
Potential impact on your site
04Site Impact
Compromised user accounts, stolen session tokens, defaced content, or malware distribution to site visitors.
Conditions required to exploit
05Prerequisites
Attacker must have a WordPress user account with low-level privileges (e.g., contributor or editor role).
Key dates
06Disclosure timeline
August 1, 2026
CVE published
August 3, 2026
Record updated
