{"id":"CVE-2026-88824","published":"2026-09-19T07:16:33.273","lastModified":"2026-09-21T13:34:57.127","description":"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 visiting a wp-admin page.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://wpscan.com/vulnerability/898fda0a-4d27-4def-ae6f-35bf25a8ae8d/","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}