CVE-2026-105887

The Robo Gallery WordPress plugin before 5.2.6 does not sanitise and escape some of its gallery settings before outputting them on the gallery edit screen, allowing users with the Contributor role and above to store JavaScript that executes in the context of an administrator who opens the gallery for editing.

The Robo Gallery WordPress plugin before 5.2.6 does not sanitise and escape a gallery setting before outputting it on a frontend page, allowing users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor viewing a gallery, including administrators.

The Robo Gallery WordPress plugin before version 5.2.6 does not sanitize and escape image alt text before outputting it in one of its gallery layouts, allowing users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any user viewing the affected gallery, including administrators.

The Robo Gallery WordPress plugin before version 5.2.6 does not sanitize and escape some of its image settings before outputting them in a gallery page, allowing users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor viewing the gallery, including administrators, even where the unfiltered_html capability is disallowed such as on multisite.

The Robo Gallery plugin for WordPress up to version 5.1.3 is vulnerable to Stored Cross-Site Scripting via the 'Loading Label' setting. The plugin uses a `|***...***|` marker pattern to embed raw JavaScript code within JSON configuration objects. Authenticated attackers with Author-level access can inject arbitrary scripts that execute whenever a page with the gallery is viewed.