Vulnerability · Published Sep 5, 2026 · Assigned by Wordfence
CVE-2026-85414Gallery : FooGallery <= 3.3.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'custom_settings' Shortcode Attribute
Medium 6.4
In plain English
A medium-severity cross-site scripting in Gallery : FooGallery from fooplugins. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Official description
The Gallery : FooGallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'custom_settings' 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| fooplugins | Gallery : FooGallery | 0 – through 3.3.2 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/859e78cd-3dfe-41b9-86dd-6f9db319cad8?source=cve
- https://plugins.trac.wordpress.org/browser/foogallery/tags/3.2.6/assets/js/foogallery.4cc6f51b.js#L8048
- https://plugins.trac.wordpress.org/browser/foogallery/tags/3.2.6/includes/class-gallery-advanced-settings.php#L138
- https://plugins.trac.wordpress.org/browser/foogallery/tags/3.2.6/includes/functions.php#L301
- https://plugins.trac.wordpress.org/browser/foogallery/tags/3.2.6/assets/js/foogallery.4cc6f51b.js#L6599
- https://plugins.trac.wordpress.org/browser/foogallery/tags/3.2.6/assets/js/foogallery.4cc6f51b.js#L7367
- https://plugins.trac.wordpress.org/browser/foogallery/trunk/assets/js/foogallery.4cc6f51b.js#L8048
- https://plugins.trac.wordpress.org/browser/foogallery/trunk/includes/class-gallery-advanced-settings.php#L138
- https://plugins.trac.wordpress.org/browser/foogallery/trunk/includes/functions.php#L301
- https://plugins.trac.wordpress.org/browser/foogallery/trunk/assets/js/foogallery.4cc6f51b.js#L6599
- https://plugins.trac.wordpress.org/browser/foogallery/trunk/assets/js/foogallery.4cc6f51b.js#L7367
- https://plugins.trac.wordpress.org/changeset/3680965/foogallery