CVE-2026-1646

The Advance Block Extend plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the TitleColor block attribute in the Latest Posts Gutenberg block in all versions up to, and including, 1.0.4 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.
Configurations

No configuration.

History

15 Apr 2026, 00:35

Type Values Removed Values Added
Summary
  • (es) El plugin Advance Block Extend para WordPress es vulnerable a cross-site scripting almacenado a través del atributo de bloque TitleColor en el bloque Gutenberg Latest Posts en todas las versiones hasta la 1.0.4, inclusive, debido a una sanitización de entrada insuficiente y un escape de salida. Esto permite a atacantes autenticados, con acceso de nivel Colaborador o superior, inyectar scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada.

19 Feb 2026, 07:17

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-19 07:17

Updated : 2026-06-17 10:16


NVD link : CVE-2026-1646

Mitre link : CVE-2026-1646

CVE.ORG link : CVE-2026-1646


JSON object : View

Products Affected

No product.

CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')