CVE-2026-9601mediumCWE-79

CVE-2026-9601: fallo de gravedad media en bfintal Stackable – Page Builder Gutenberg…

Stackable <= 3.19.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'save' Parameter

Publicada el 07 nov 2026

Seguir esta CVE + Monitorear Stackable – Page Builder Gutenberg Blocks

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.4epss 0.3%

The Stackable – Page Builder Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'update_block_style' endpoint in all versions up to, and including, 3.19.9 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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Productos afectados

bfintal · Stackable – Page Builder Gutenberg Blocks

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Referencias