WordPress Extendify plugin <= 3.1.6 - Unauthenticated Stored Cross-Site Scripting vulnerability

Unauthenticated Stored Cross-Site Scripting vulnerability discovered by Jack Taylor in WordPress Plugin Extendify versions = 3.1.6...

CVE-2026-85679

The Extendify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'styles.blocks' Block Type Key in all versions up to, and including, 3.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web...

CVE-2026-85679 Extendify <= 3.1.6 - Unauthenticated Stored Cross-Site Scripting via 'styles.blocks' Block Type Key

The Extendify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'styles.blocks' Block Type Key in all versions up to, and including, 3.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web...

CVE-2026-85679

The Extendify plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) in all versions up to and including 3.1.6 . The root cause is insufficient input sanitization and output escaping of the 'styles.blocks' Block Type Key. Because the registerIncoming() function is hooked on rest_...

CVE-2026-85679 Extendify <= 3.1.6 - Unauthenticated Stored Cross-Site Scripting via 'styles.blocks' Block Type Key

The Extendify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'styles.blocks' Block Type Key in all versions up to, and including, 3.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web...

EUVD-2026-90500

The Extendify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'styles.blocks' Block Type Key in all versions up to, and including, 3.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web...

CVE-2026-85679: Improper Neutralization of Input During Web Page Generation

The Extendify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'styles.blocks' Block Type Key in all versions up to, and including, 3.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web...

PT-2026-103691

Name of the Vulnerable Software and Affected Versions Extendify versions prior to 3.1.7 Description Insufficient input sanitization and output escaping allow unauthenticated attackers to perform Stored Cross-Site Scripting XSS, a technique where malicious scripts are permanently stored on a targe...