CVE-2026-5743

The CVE concerns the SimpLy Gallery Block & Lightbox WordPress plugin. A stored XSS vulnerability exists through the sliderMaxHeight block attribute in all versions up to and including 3.3.3.2, caused by insufficient input sanitization and output escaping in pgc_sgb_render_callback(). The root ca...

CVE-2026-5743 Mixed Media Gallery Blocks <= 3.3.3.1 - Authenticated (Author+) Stored Cross-Site Scripting via sliderMaxHeight Block Attribute

The SimpLy Gallery Block & Lightbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via block attributes in all versions up to, and including, 3.3.3.2. This is due to insufficient input sanitization and output escaping on the sliderMaxHeight block attribute in the...