CVE-2017-2150: Booking Calendar Project Booking Calendar

Medium severity, CVSS 5.3. EPSS: 2.4% chance of exploitation in the next 30 days.

Directory traversal vulnerability in Booking Calendar version 7.0 and earlier allows remote attackers to read arbitrary files via specially crafted captcha_chalange parameter.

Affected products

• Booking Calendar Project Booking Calendar: up to and including 7.0

Published 2017-04-28. Last modified 2026-06-17.