CVE-2026-1291 Meow Gallery <= 5.4.4 - Missing Authorization to Authenticated (Author+) Shortcode creation

The Meow Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the REST API endpoint /wp-json/meow-gallery/v1/saveshortcode in all versions up to, and including, 5.4.4 This makes it possible for authenticated attackers, with...