CVE-2026-12399 – Gutenverse

CVE ID :CVE-2026-12399

Published : June 27, 2026, 6:50 a.m. | 54 minutes ago

Description :The Gutenverse – WordPress Blocks, Page Builder & Site Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.8.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Severity: 0.0 | NA

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