CVE-2026-85414: Gallery : FooGallery <= 3.3.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'custom_settings' Shortcode Attribute
The Gallery : FooGallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'customsettings' Shortcode Attribute in all versions up to, and including, 3.3.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
What level of access does an attacker need?
The attacker must be authenticated to WordPress with Contributor-level access or higher. No user interaction is required from the attacker.
When does the injected script execute?
The script executes when a user accesses a page containing the attacker-injected content. This can affect users who view the compromised page, not only the account that created it.
Which installations are in scope?
FooGallery versions up to and including 3.3.2 are affected. The provided information does not identify a fixed version.