CVE-2026-116563 Photo Gallery, Sliders, Proofing and Themes <= 4.5.4 - Unauthenticated Stored DOM-Based Cross-Site Scripting via Comment `title` Attribute via Shutter Lightbox innerHTML

The Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 4.5.4 due to insufficient input sanitization and output escaping. This makes it possible...