CVE-2019-11887: Simplybook

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

SimplyBook.me through 2019-05-11 does not properly restrict File Upload which could allow remote code execution.

Affected products

• Simplybook Simplybook: up to and including 2019-05-11

Published 2019-05-17. Last modified 2026-06-17.