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CVE-2026-8981

Custom Block Builder

Descripción

The Custom Block Builder WordPress plugin before 4.3.0 does not consistently check the unfiltered_html capability across all paths that write to its block template code fields, allowing administrators on multisite installations (or single-site installs with DISALLOW_UNFILTERED_HTML defined) to inject arbitrary JavaScript that executes for any visitor of pages embedding the affected block.

CVSS 3.5EPSS 0.13799999999999998%Riesgo 0.35
Ver fuente
Publicación
2026-06-09 06:16:54
Versiones afectadas
<4.3.0
Tipo
Package
Última modificación
2026-07-23 08:10:00
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N