WordPress Simply Gallery Block Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the WordPress Simply Gallery Block plugin, specifically in versions through 3.2.5. This issue arises from improper input sanitization during web page generation, allowing malicious scripts to be injected and executed when users view the affected gallery blocks with lightbox functionality.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user viewing the gallery, potentially leading to unauthorized actions or data exposure.

Remediation

Users of the WordPress Simply Gallery Block plugin should update to version 3.2.6 or later to address this vulnerability.