Envira Gallery for WordPress Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the Envira Gallery for WordPress plugin, affecting all versions through 1.12.3. The issue arises from inadequate input sanitization and output escaping, allowing authenticated attackers with Author-level access or higher to inject arbitrary scripts into pages. These scripts are executed when users access the affected 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 gallery.

Remediation

Users are advised to update the Envira Gallery for WordPress plugin to version 1.12.4 or a newer patched version.