CVE-2019-11488: Simplybook

High severity, CVSS 8.1. EPSS: 1.5% chance of exploitation in the next 30 days.

Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me Enterprise before 2019-04-23 allows Unauthorized Attackers to READ/WRITE Customer or Administrator data via a persistent HTTP GET Request Hash Link Replay, as demonstrated by a login-link from the browser history.

Affected products

• Simplybook Simplybook: before 2019-04-23 (fixed in 2019-04-23)

Published 2019-04-25. Last modified 2026-06-17.