CVE-2026-1236: Smub Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

The Envira Gallery for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'justified_gallery_theme' parameter in all versions up to, and including, 1.12.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Smub Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More: up to and including 1.12.3

Published 2026-03-04. Last modified 2026-06-17.