CVE-2026-88824 Master Blocks 1.4.1 - 1.4.1.4 - Unauthenticated Stored XSS via White Label Settings

The Master Blocks WordPress plugin before 1.5.0 does not have authorisation on one of its REST routes, allowing unauthenticated users to update its settings, including a value that is output unescaped in the admin area, leading to Stored XSS that executes in the session of any administrator...

CVE-2026-88824

The Master Blocks WordPress plugin versions before 1.5.0 (specifically 1.4.1-1.4.1.4 ) contains an unauthenticated Stored XSS vulnerability. The root cause is a lack of authorization on one of its REST routes , which allows unauthenticated users to update plugin settings. A specific value updated...

CVE-2026-88824 Master Blocks 1.4.1 - 1.4.1.4 - Unauthenticated Stored XSS via White Label Settings

The Master Blocks WordPress plugin before 1.5.0 does not have authorisation on one of its REST routes, allowing unauthenticated users to update its settings, including a value that is output unescaped in the admin area, leading to Stored XSS that executes in the session of any administrator...