Gutentor Gutenberg Blocks WordPress Plugin Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the Gutentor - Gutenberg Blocks - Page Builder for Gutenberg Editor plugin for WordPress, affecting versions through 3.5.5. The issue arises from inadequate input sanitization and output escaping, allowing authenticated attackers with contributor-level access or higher to inject arbitrary scripts into pages. These scripts are executed when users access the compromised pages.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user viewing the page.

Remediation

Users can update to Gutentor version 3.5.6 or a newer patched version to address this vulnerability.